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Fouka E, Drakopanagiotakis F, Steiropoulos P. Pathogenesis of Pulmonary Manifestations in ANCA-Associated Vasculitis and Goodpasture Syndrome. Int J Mol Sci 2024; 25:5278. [PMID: 38791316 PMCID: PMC11121030 DOI: 10.3390/ijms25105278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 05/09/2024] [Accepted: 05/11/2024] [Indexed: 05/26/2024] Open
Abstract
Pulmonary manifestations of vasculitis are associated with significant morbidity and mortality in affected individuals. They result from a complex interplay between immune dysregulation, which leads to vascular inflammation and tissue damage. This review explored the underlying pathogenesis of pulmonary involvement in vasculitis, encompassing various forms such as granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA), eosinophilic granulomatosis with polyangiitis (EGPA), and anti-GBM disease. Mechanisms involving ANCA and anti-GBM autoantibodies, neutrophil activation, and neutrophil extracellular trap (NETs) formation are discussed, along with the role of the complement system in inducing pulmonary injury. Furthermore, the impact of genetic predisposition and environmental factors on disease susceptibility and severity was considered, and the current treatment options were presented. Understanding the mechanisms involved in the pathogenesis of pulmonary vasculitis is crucial for developing targeted therapies and improving clinical outcomes in affected individuals.
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Affiliation(s)
- Evangelia Fouka
- Department of Respiratory Medicine, General Hospital G. Papanikolaou, Medical School, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece;
| | - Fotios Drakopanagiotakis
- Department of Respiratory Medicine, Medical School, Democritus University of Thrace, 68100 Alexandroupolis, Greece;
| | - Paschalis Steiropoulos
- Department of Respiratory Medicine, Medical School, Democritus University of Thrace, 68100 Alexandroupolis, Greece;
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2
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Ciftci YC, Vatansever İE, Akgül B. Unraveling the intriguing interplay: Exploring the role of lncRNAs in caspase-independent cell death. WILEY INTERDISCIPLINARY REVIEWS. RNA 2024; 15:e1862. [PMID: 38837618 DOI: 10.1002/wrna.1862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 05/12/2024] [Accepted: 05/13/2024] [Indexed: 06/07/2024]
Abstract
Cell death plays a crucial role in various physiological and pathological processes. Until recently, programmed cell death was mainly attributed to caspase-dependent apoptosis. However, emerging evidence suggests that caspase-independent cell death (CICD) mechanisms also contribute significantly to cellular demise. We and others have reported and functionally characterized numerous long noncoding RNAs (lncRNAs) that modulate caspase-dependent apoptotic pathways potentially in a pathway-dependent manner. However, the interplay between lncRNAs and CICD pathways has not been comprehensively documented. One major reason for this is that most CICD pathways have been recently discovered with some being partially characterized at the molecular level. In this review, we discuss the emerging evidence that implicates specific lncRNAs in the regulation and execution of CICD. We summarize the diverse mechanisms through which lncRNAs modulate different forms of CICD, including ferroptosis, necroptosis, cuproptosis, and others. Furthermore, we highlight the intricate regulatory networks involving lncRNAs, protein-coding genes, and signaling pathways that orchestrate CICD in health and disease. Understanding the molecular mechanisms and functional implications of lncRNAs in CICD may unravel novel therapeutic targets and diagnostic tools for various diseases, paving the way for innovative strategies in disease management and personalized medicine. This article is categorized under: RNA in Disease and Development > RNA in Disease.
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Affiliation(s)
- Yusuf Cem Ciftci
- Noncoding RNA Laboratory, Department of Molecular Biology and Genetics, Izmir Institute of Technology, Izmir, Gülbahçeköyü, Urla, Turkey
| | - İpek Erdoğan Vatansever
- Noncoding RNA Laboratory, Department of Molecular Biology and Genetics, Izmir Institute of Technology, Izmir, Gülbahçeköyü, Urla, Turkey
| | - Bünyamin Akgül
- Noncoding RNA Laboratory, Department of Molecular Biology and Genetics, Izmir Institute of Technology, Izmir, Gülbahçeköyü, Urla, Turkey
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3
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Liu R, Zhang J, Rodrigues Lima F, Zeng J, Nian Q. Targeting neutrophil extracellular traps: A novel strategy in hematologic malignancies. Biomed Pharmacother 2024; 173:116334. [PMID: 38422658 DOI: 10.1016/j.biopha.2024.116334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/18/2024] [Accepted: 02/22/2024] [Indexed: 03/02/2024] Open
Abstract
Neutrophil extracellular traps (NETs) have emerged as a critical factor in malignant hematologic disease pathogenesis. These structures, comprising DNA, histones, and cytoplasmic proteins, were initially recognized for their role in immune defense against microbial threats. Growing evidence suggests that NETs contribute to malignant cell progression and dissemination, representing a double-edged sword. However, there is a paucity of reports on its involvement in hematological disorders. A comprehensive understanding of the intricate relationship between malignant cells and NETs is necessary to explore effective therapeutic strategies. This review highlights NET formation and mechanisms underlying disease pathogenesis. Moreover, we discuss recent advancements in targeted inhibitor development for selective NET disruption, empowering precise design and efficacious therapeutic interventions for malignant hematologic diseases.
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Affiliation(s)
- Rongxing Liu
- Department of Pharmacy, The Second Affiliated Hospital, Army Medical University, 183 Xinqiao Road, Chongqing 400000, China
| | - Jin Zhang
- Department of Transfusion, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, 32# W. Sec 2, 1stRing Rd, Qingyang District, Chengdu, Sichuan 610072, China
| | - Fernando Rodrigues Lima
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, 2-16 Rue Theroigne deMericourt, Paris 75013, France
| | - Jinhao Zeng
- Department of Gastroenterology, Hospital of Chengdu University of Traditional Chinese Medicine, No.37 Shierqiaolu, Chengdu, Sichuan 610000, China.
| | - Qing Nian
- Department of Transfusion, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, 32# W. Sec 2, 1stRing Rd, Qingyang District, Chengdu, Sichuan 610072, China.
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4
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Wang Y, Du C, Zhang Y, Zhu L. Composition and Function of Neutrophil Extracellular Traps. Biomolecules 2024; 14:416. [PMID: 38672433 PMCID: PMC11048602 DOI: 10.3390/biom14040416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/23/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024] Open
Abstract
Neutrophil extracellular traps (NETs) are intricate fibrous structures released by neutrophils in response to specific stimuli. These structures are composed of depolymerized chromatin adorned with histones, granule proteins, and cytosolic proteins. NETs are formed via two distinct pathways known as suicidal NETosis, which involves NADPH oxidase (NOX), and vital NETosis, which is independent of NOX. Certain proteins found within NETs exhibit strong cytotoxic effects against both pathogens and nearby host cells. While NETs play a defensive role against pathogens, they can also contribute to tissue damage and worsen inflammation. Despite extensive research on the pathophysiological role of NETs, less attention has been paid to their components, which form a unique structure containing various proteins that have significant implications in a wide range of diseases. This review aims to elucidate the components of NETs and provide an overview of their impact on host defense against invasive pathogens, autoimmune diseases, and cancer.
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Affiliation(s)
- Yijie Wang
- Beijing Key Laboratory of Emerging Infectious Diseases, Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
- Beijing Institute of Infectious Diseases, Beijing 100015, China
- National Center for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
| | - Chunjing Du
- Department of Critical Care Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
| | - Yue Zhang
- Beijing Key Laboratory of Emerging Infectious Diseases, Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
- Beijing Institute of Infectious Diseases, Beijing 100015, China
- National Center for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
| | - Liuluan Zhu
- Beijing Key Laboratory of Emerging Infectious Diseases, Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
- Beijing Institute of Infectious Diseases, Beijing 100015, China
- National Center for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
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5
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Jin Y, Minten C, Jenkins M, Jones L, Gorbet M. Investigation of the rhythmic recruitment of tear neutrophils to the ocular surface and their phenotypes. Sci Rep 2024; 14:7061. [PMID: 38528025 DOI: 10.1038/s41598-024-57311-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 03/17/2024] [Indexed: 03/27/2024] Open
Abstract
Hundreds of thousands of polymorphonuclear neutrophils (PMNs) are collected from the ocular surface upon waking, while few are harvested during daytime. This study aimed to investigate potential factors contributing to the circadian infiltration of tear PMNs, including changes in IL-8 and C5a in tears, and their phenotypes across different time points in a 24-h cycle. Tear PMNs were collected using a gentle eyewash after 2-h and 7-h of sleep (eye closure, EC) at night, after 2-h EC during the day, and towards the end of the afternoon. Significantly fewer cells were collected after 2-h EC during the day compared to 2-h EC at night. A positive correlation between IL-8 and PMN numbers existed, but not with C5a. Tear PMNs collected after 2-h EC at night were less degranulated and possessed a larger activation potential compared to 7-h EC. Tear PMNs from 7-h EC at night exhibited hyper-segmented nuclei and more NETosis compared to 2 h EC night, indicating an aged and activated phenotype. The diurnal-nocturnal recruitment pattern of tear PMNs may be driven by increased IL-8 in nighttime tears. Higher degranulation and NETs point to the significant activation of tear PMNs on the ocular surface during prolonged eye closure at night.
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Affiliation(s)
- Yutong Jin
- School of Optometry and Vision Science, University of Waterloo, Waterloo, Canada
- Centre for Ocular Research and Education, University of Waterloo, Waterloo, Canada
| | - Ceili Minten
- Department of Systems Design Engineering, University of Waterloo, Waterloo, Canada
| | - Mara Jenkins
- Department of Systems Design Engineering, University of Waterloo, Waterloo, Canada
| | - Lyndon Jones
- School of Optometry and Vision Science, University of Waterloo, Waterloo, Canada
- Centre for Ocular Research and Education, University of Waterloo, Waterloo, Canada
| | - Maud Gorbet
- School of Optometry and Vision Science, University of Waterloo, Waterloo, Canada.
- Department of Systems Design Engineering, University of Waterloo, Waterloo, Canada.
- Centre for Ocular Research and Education, University of Waterloo, Waterloo, Canada.
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6
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Jog NR, Wagner CA, Aberle T, Chakravarty EF, Arriens C, Guthridge JM, James JA. Neutrophils isolated from systemic lupus erythematosus patients exhibit a distinct functional phenotype. Front Immunol 2024; 15:1339250. [PMID: 38524128 PMCID: PMC10957542 DOI: 10.3389/fimmu.2024.1339250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 02/12/2024] [Indexed: 03/26/2024] Open
Abstract
Neutrophil dysregulation, particularly of a low-density subset, is associated with systemic lupus erythematosus (SLE); however, the exact role of normal-density neutrophils in SLE remains unknown. This study compares activation and functional phenotypes of neutrophils from SLE patients and healthy controls to determine potential contributions to SLE pathogenesis. Surface activation markers and release of neutrophil extracellular traps (NETs), granule proteins, and cytokines/chemokines were measured in resting and stimulated neutrophils from SLE patients (n=19) and healthy controls (n=10). Select miRNA and mRNA involved in neutrophil development and function were also measured. Resting SLE neutrophils exhibited fewer activation markers compared to control neutrophils, and activation markers were associated with different plasma cytokines/chemokines in SLE patients compared to healthy controls. However, activation markers increased similarly in SLE and control neutrophils following stimulation with a TLR7/8 agonist, neutrophil growth factors, and bacterial mimic. At the resting state, SLE neutrophils produced significantly more CXCL10 (IP-10), with trends toward other increased cytokines/chemokines. Following stimulation, SLE neutrophils produced fewer NETs and proinflammatory cytokines compared to control neutrophils but more MMP-8. In addition, SLE neutrophils expressed less miR130a, miR132, miR27a, and miR223. In conclusion, SLE neutrophils exhibit distinct functional responses compared to control neutrophils. These functional differences may result from differential gene expression via miRNAs. Furthermore, the differences in functional phenotype of SLE neutrophils suggest that they may contribute to SLE differently dependent on the inflammatory milieu.
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Affiliation(s)
- Neelakshi R. Jog
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Catriona A. Wagner
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Teresa Aberle
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Eliza F. Chakravarty
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Cristina Arriens
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Joel M. Guthridge
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Judith A. James
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
- Departments of Medicine and Pathology, University of Oklahoma Health Science Center, Oklahoma City, OK, United States
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7
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Ashraf MF, Zubair D, Bashir MN, Alagawany M, Ahmed S, Shah QA, Buzdar JA, Arain MA. Nutraceutical and Health-Promoting Potential of Lactoferrin, an Iron-Binding Protein in Human and Animal: Current Knowledge. Biol Trace Elem Res 2024; 202:56-72. [PMID: 37059920 PMCID: PMC10104436 DOI: 10.1007/s12011-023-03658-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 04/03/2023] [Indexed: 04/16/2023]
Abstract
Lactoferrin is a natural cationic iron-binding glycoprotein of the transferrin family found in bovine milk and other exocrine secretions, including lacrimal fluid, saliva, and bile. Lactoferrin has been investigated for its numerous powerful influences, including anticancer, anti-inflammatory, anti-oxidant, anti-osteoporotic, antifungal, antibacterial, antiviral, immunomodulatory, hepatoprotective, and other beneficial health effects. Lactoferrin demonstrated several nutraceutical and pharmaceutical potentials and have a significant impact on improving the health of humans and animals. Lactoferrin plays a critical role in keeping the normal physiological homeostasis associated with the development of pathological disorders. The current review highlights the medicinal value, nutraceutical role, therapeutic application, and outstanding favorable health sides of lactoferrin, which would benefit from more exploration of this glycoprotein for the design of effective medicines, drugs, and pharmaceuticals for safeguarding different health issues in animals and humans.
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Affiliation(s)
| | - Dawood Zubair
- Iqraa Medical Complex, Johar Town Lahore, Punjab, Pakistan
| | | | - Mahmoud Alagawany
- Poultry Department, Agriculture Faculty, Zagazig University, Zagazig, 44519, Egypt.
| | - Shabbir Ahmed
- Faculty of Animal Husbandry & Veterinary Science, Sindh Agriculture University Tandojam, Tandojam, Pakistan
| | - Qurban Ali Shah
- Faculty of Veterinary and Animal Sciences, Lasbela University of Agriculture, Water and Marine Sciences, Uthal, 3800, Balochistan, Pakistan
| | - Jameel Ahmed Buzdar
- Faculty of Veterinary and Animal Sciences, Lasbela University of Agriculture, Water and Marine Sciences, Uthal, 3800, Balochistan, Pakistan
| | - Muhammad Asif Arain
- Faculty of Veterinary and Animal Sciences, Lasbela University of Agriculture, Water and Marine Sciences, Uthal, 3800, Balochistan, Pakistan.
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8
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Walulik A, Łysak K, Błaszkiewicz M, Górecki I, Gomułka K. The Role of Neutrophils in ANCA-Associated Vasculitis: The Pathogenic Role and Diagnostic Utility of Autoantibodies. Int J Mol Sci 2023; 24:17217. [PMID: 38139045 PMCID: PMC10743134 DOI: 10.3390/ijms242417217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/01/2023] [Accepted: 12/03/2023] [Indexed: 12/24/2023] Open
Abstract
Recent years have brought progress in understanding the role of the neutrophil, dispelling the dogma of homogeneous cells mainly involved in the prime defence against pathogens, shedding light on their pathogenic role in inflammatory diseases and on the importance of antineutrophil-cytoplasmic antibodies' pathogenic role in ANCA-associated vasculitides vasculitis (AAV). Myeloperoxidase (MPO) and proteinase 3 (PR3) expressed in neutrophil granulocytes are the most common targets for ANCAs and contribute to the formation of MPO-ANCAs and PR3-ANCAs which, released to the bloodstream, become an excellent diagnostic tool for AAV. In this study, we focus on increasing the clinical and experimental evidence that supports the pathogenic role of ANCAs in AAV. Additionally, we discuss the diagnostic utility of ANCAs for disease activity and prognosis in AAV. Understanding the central role of ANCAs in AAV is crucial for advancing our knowledge of these complex disorders and developing targeted therapeutic strategies in the era of personalized medicine.
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Affiliation(s)
- Agata Walulik
- Student Scientific Group of Adult Allergology and Internal Medicine, Wroclaw Medical University, 50-369 Wrocław, Poland; (A.W.); (I.G.)
| | - Kinga Łysak
- Faculty of Medicine, Medical University of Gdansk, 80-210 Gdańsk, Poland;
| | - Michał Błaszkiewicz
- Student Scientific Group of Adult Allergology and Internal Medicine, Wroclaw Medical University, 50-369 Wrocław, Poland; (A.W.); (I.G.)
| | - Ignacy Górecki
- Student Scientific Group of Adult Allergology and Internal Medicine, Wroclaw Medical University, 50-369 Wrocław, Poland; (A.W.); (I.G.)
| | - Krzysztof Gomułka
- Department of Internal Medicine, Pneumology and Allergology, Wroclaw Medical University, 50-369 Wrocław, Poland
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9
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Yao M, Ma J, Wu D, Fang C, Wang Z, Guo T, Mo J. Neutrophil extracellular traps mediate deep vein thrombosis: from mechanism to therapy. Front Immunol 2023; 14:1198952. [PMID: 37680629 PMCID: PMC10482110 DOI: 10.3389/fimmu.2023.1198952] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 08/10/2023] [Indexed: 09/09/2023] Open
Abstract
Deep venous thrombosis (DVT) is a part of venous thromboembolism (VTE) that clinically manifests as swelling and pain in the lower limbs. The most serious clinical complication of DVT is pulmonary embolism (PE), which has a high mortality rate. To date, its underlying mechanisms are not fully understood, and patients usually present with clinical symptoms only after the formation of the thrombus. Thus, it is essential to understand the underlying mechanisms of deep vein thrombosis for an early diagnosis and treatment of DVT. In recent years, many studies have concluded that Neutrophil Extracellular Traps (NETs) are closely associated with DVT. These are released by neutrophils and, in addition to trapping pathogens, can mediate the formation of deep vein thrombi, thereby blocking blood vessels and leading to the development of disease. Therefore, this paper describes the occurrence and development of NETs and discusses the mechanism of action of NETs on deep vein thrombosis. It aims to provide a direction for improved diagnosis and treatment of deep vein thrombosis in the near future.
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Affiliation(s)
- Mengting Yao
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Jiacheng Ma
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Dongwen Wu
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Chucun Fang
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Zilong Wang
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Tianting Guo
- Department of Orthopedics, Guangdong Provincial People’s Hospital Ganzhou Hospital, Ganzhou Municipal Hospital, Ganzhou, Jiangxi, China
| | - Jianwen Mo
- Department of Orthopedic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
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10
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Okubo K, Takayama K, Kawakami H, Iida K, Miyauchi H, Roppongi Y, Ikeyama H, Hayashi M, Fujishima S, Sasaki J, Haruta J, Hayashi Y, Hirahashi J. Precision engineered peptide targeting leukocyte extracellular traps mitigate acute kidney injury in Crush syndrome. Biochem Biophys Res Commun 2023; 671:173-182. [PMID: 37302292 DOI: 10.1016/j.bbrc.2023.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 05/31/2023] [Accepted: 06/03/2023] [Indexed: 06/13/2023]
Abstract
Crush syndrome induced by skeletal muscle compression causes fatal rhabdomyolysis-induced acute kidney injury (RIAKI) that requires intensive care, including hemodialysis. However, access to crucial medical supplies is highly limited while treating earthquake victims trapped under fallen buildings, lowering their chances of survival. Developing a compact, portable, and simple treatment method for RIAKI remains an important challenge. Based on our previous finding that RIAKI depends on leukocyte extracellular traps (ETs), we aimed to develop a novel medium-molecular-weight peptide to provide clinical treatment of Crush syndrome. We conducted a structure-activity relationship study to develop a new therapeutic peptide. Using human peripheral polymorphonuclear neutrophils, we identified a 12-amino acid peptide sequence (FK-12) that strongly inhibited neutrophil extracellular trap (NET) release in vitro and further modified it by alanine scanning to construct multiple peptide analogs that were screened for their NET inhibition ability. The clinical applicability and renal-protective effects of these analogs were evaluated in vivo using the rhabdomyolysis-induced AKI mouse model. One candidate drug [M10Hse(Me)], wherein the sulfur of Met10 is substituted by oxygen, exhibited excellent renal-protective effects and completely inhibited fatality in the RIAKI mouse model. Furthermore, we observed that both therapeutic and prophylactic administration of M10Hse(Me) markedly protected the renal function during the acute and chronic phases of RIAKI. In conclusion, we developed a novel medium-molecular-weight peptide that could potentially treat patients with rhabdomyolysis and protect their renal function, thereby increasing the survival rate of victims affected by Crush syndrome.
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Affiliation(s)
- Koshu Okubo
- Center for General Medicine Education, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Kentaro Takayama
- Department of Medicinal Chemistry, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan; Department of Environmental Biochemistry, Division of Biological Sciences, Kyoto Pharmaceutical University, Yamashina, Kyoto, 607-8414, Japan
| | - Hiroshi Kawakami
- Division of Food and Nutrition, Graduate School of Human Sciences, Kyoritsu Women's University, Chiyoda-ku, Tokyo, 101-8437, Japan
| | - Kiriko Iida
- Center for General Medicine Education, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8582, Japan; Division of Food and Nutrition, Graduate School of Human Sciences, Kyoritsu Women's University, Chiyoda-ku, Tokyo, 101-8437, Japan
| | - Hiroaki Miyauchi
- Center for General Medicine Education, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yoshimi Roppongi
- Department of Medicinal Chemistry, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
| | - Hiroaki Ikeyama
- Department of Medicinal Chemistry, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
| | - Matsuhiko Hayashi
- Center for General Medicine Education, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Seitaro Fujishima
- Center for General Medicine Education, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Junichi Sasaki
- Center for General Medicine Education, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Junji Haruta
- Center for General Medicine Education, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yoshio Hayashi
- Department of Medicinal Chemistry, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
| | - Junichi Hirahashi
- Center for General Medicine Education, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8582, Japan.
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11
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Bayry J, Ahmed EA, Toscano-Rivero D, Vonniessen N, Genest G, Cohen CG, Dembele M, Kaveri SV, Mazer BD. Intravenous Immunoglobulin: Mechanism of Action in Autoimmune and Inflammatory Conditions. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2023; 11:1688-1697. [PMID: 37062358 DOI: 10.1016/j.jaip.2023.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 04/04/2023] [Accepted: 04/11/2023] [Indexed: 04/18/2023]
Abstract
Intravenous immunoglobulin (IVIG) is the mainstay of therapy for humoral immune deficiencies and numerous inflammatory disorders. Although the use of IVIG may be supplanted by several targeted therapies to cytokines, the ability of polyclonal normal IgG to act as an effector molecule as well as a regulatory molecule is a clear example of the polyfunctionality of IVIG. This article will address the mechanism of action of IVIG in a number of important conditions that are otherwise resistant to treatment. In this commentary, we will highlight mechanistic studies that shed light on the action of IVIG. This will be approached by identifying effects that are both common and disease-specific, targeting actions that have been demonstrated on cells and processes that represent both innate and adaptive immune responses.
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Affiliation(s)
- Jagadeesh Bayry
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, Paris, France; Department of Biological Sciences and Engineering, Indian Institute of Technology Palakkad, Palakkad, India.
| | - Eisha A Ahmed
- Research Institute of McGill University Health Centre, Translational Program in Respiratory Diseases and Department of Pediatrics, McGill University Faculty of Medicine, Montreal, Quebec, Canada
| | - Diana Toscano-Rivero
- Research Institute of McGill University Health Centre, Translational Program in Respiratory Diseases and Department of Pediatrics, McGill University Faculty of Medicine, Montreal, Quebec, Canada
| | - Nicholas Vonniessen
- Research Institute of McGill University Health Centre, Translational Program in Respiratory Diseases and Department of Pediatrics, McGill University Faculty of Medicine, Montreal, Quebec, Canada
| | - Genevieve Genest
- Research Institute of McGill University Health Centre, Translational Program in Respiratory Diseases and Department of Pediatrics, McGill University Faculty of Medicine, Montreal, Quebec, Canada
| | - Casey G Cohen
- Research Institute of McGill University Health Centre, Translational Program in Respiratory Diseases and Department of Pediatrics, McGill University Faculty of Medicine, Montreal, Quebec, Canada
| | - Marieme Dembele
- Research Institute of McGill University Health Centre, Translational Program in Respiratory Diseases and Department of Pediatrics, McGill University Faculty of Medicine, Montreal, Quebec, Canada
| | - Srini V Kaveri
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, Paris, France
| | - Bruce D Mazer
- Research Institute of McGill University Health Centre, Translational Program in Respiratory Diseases and Department of Pediatrics, McGill University Faculty of Medicine, Montreal, Quebec, Canada.
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12
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Ohradanova-Repic A, Praženicová R, Gebetsberger L, Moskalets T, Skrabana R, Cehlar O, Tajti G, Stockinger H, Leksa V. Time to Kill and Time to Heal: The Multifaceted Role of Lactoferrin and Lactoferricin in Host Defense. Pharmaceutics 2023; 15:1056. [PMID: 37111542 PMCID: PMC10146187 DOI: 10.3390/pharmaceutics15041056] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/16/2023] [Accepted: 03/21/2023] [Indexed: 04/29/2023] Open
Abstract
Lactoferrin is an iron-binding glycoprotein present in most human exocrine fluids, particularly breast milk. Lactoferrin is also released from neutrophil granules, and its concentration increases rapidly at the site of inflammation. Immune cells of both the innate and the adaptive immune system express receptors for lactoferrin to modulate their functions in response to it. On the basis of these interactions, lactoferrin plays many roles in host defense, ranging from augmenting or calming inflammatory pathways to direct killing of pathogens. Complex biological activities of lactoferrin are determined by its ability to sequester iron and by its highly basic N-terminus, via which lactoferrin binds to a plethora of negatively charged surfaces of microorganisms and viruses, as well as to mammalian cells, both normal and cancerous. Proteolytic cleavage of lactoferrin in the digestive tract generates smaller peptides, such as N-terminally derived lactoferricin. Lactoferricin shares some of the properties of lactoferrin, but also exhibits unique characteristics and functions. In this review, we discuss the structure, functions, and potential therapeutic uses of lactoferrin, lactoferricin, and other lactoferrin-derived bioactive peptides in treating various infections and inflammatory conditions. Furthermore, we summarize clinical trials examining the effect of lactoferrin supplementation in disease treatment, with a special focus on its potential use in treating COVID-19.
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Affiliation(s)
- Anna Ohradanova-Repic
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
| | - Romana Praženicová
- Laboratory of Molecular Immunology, Institute of Molecular Biology, Slovak Academy of Sciences, 845 51 Bratislava, Slovakia
| | - Laura Gebetsberger
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
| | - Tetiana Moskalets
- Laboratory of Molecular Immunology, Institute of Molecular Biology, Slovak Academy of Sciences, 845 51 Bratislava, Slovakia
| | - Rostislav Skrabana
- Laboratory of Structural Biology of Neurodegeneration, Institute of Neuroimmunology, Slovak Academy of Sciences, 845 10 Bratislava, Slovakia
| | - Ondrej Cehlar
- Laboratory of Structural Biology of Neurodegeneration, Institute of Neuroimmunology, Slovak Academy of Sciences, 845 10 Bratislava, Slovakia
| | - Gabor Tajti
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
| | - Hannes Stockinger
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
| | - Vladimir Leksa
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
- Laboratory of Molecular Immunology, Institute of Molecular Biology, Slovak Academy of Sciences, 845 51 Bratislava, Slovakia
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Che D, Hang B, Li Y, Li K, Wang K, Wang H. Livin upregulation in keratinocytes of psoriasis patients to promote adhesion molecule expression. Int J Dermatol 2023. [PMID: 36916467 DOI: 10.1111/ijd.16621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 01/06/2023] [Accepted: 02/07/2023] [Indexed: 03/15/2023]
Abstract
BACKGROUND Activation of keratinocytes (KCs) is the main pathological feature of psoriasis. KCs recruit neutrophils by releasing various antimicrobial peptides and chemokines, which is also related to the expression of KC adhesion molecules. However, the regulatory mechanism governing their expression is still unclear. Livin, an inhibitor of the apoptosis protein family member involved in proliferation and metastasis of tumor cells, is significantly increased in psoriatic lesions. OBJECTIVES The aim of this study was to investigate the role of Livin in regulating adhesion molecule expression in KCs and release of chemokines that promote the activation and adhesion of neutrophils. METHODS The expression of Livin in psoriasis patients, imiquimod mouse model, and the combination of IL-17 alpha, IL-22, IL-1 alpha, OSM, and TNF-α (Mix M5)-treated HaCaT cells were detected by immunofluorescence staining, RT-qPCR, and ELISA. Livin-overexpression and knockdown in HaCaT cells transfected with HIV-1-based lentiviral vectors were used to study the function of Livin using RNA-seq. Moreover, differences in the expression of HaCaT cell adhesion molecules after regulation of Livin expression and activation of neutrophils in the co-culture model were verified. RESULTS Livin was upregulated in the KCs of psoriasis patients, imiquimod mouse model and Mix M5-treated HaCaT cells compared with the control groups. Livin in HaCaT cells might regulate the expression of adhesion molecules in KCs. CONCLUSION Thus, Livin may be a key effector molecule that regulates the expression of adhesion molecules in KCs and promotes the activation and adhesion of neutrophils.
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Affiliation(s)
- Delu Che
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University (Xibei Hospital), Xi'an, China.,Center for Dermatology Disease, Precision Medical Institute, Xi'an, China
| | - Bing Hang
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University (Xibei Hospital), Xi'an, China
| | - Yazhuo Li
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University (Xibei Hospital), Xi'an, China
| | - Kaili Li
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University (Xibei Hospital), Xi'an, China
| | - Kaijie Wang
- Department of Dermatology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Hao Wang
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University (Xibei Hospital), Xi'an, China
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14
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Li H, Li C, Zhang B, Jiang H. Lactoferrin suppresses the progression of colon cancer under hyperglycemia by targeting WTAP/m 6A/NT5DC3/HKDC1 axis. J Transl Med 2023; 21:156. [PMID: 36855062 PMCID: PMC9972781 DOI: 10.1186/s12967-023-03983-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 02/13/2023] [Indexed: 03/02/2023] Open
Abstract
BACKGROUND Although the relationship between type 2 diabetes (T2D) and the increased risk of colorectal carcinogenesis is widely defined in clinical studies, the therapeutic methods and molecular mechanism of T2D-induced colon cancer and how does hyperglycemia affect the progression is still unknown. Here, we studied the function of lactoferrin (LF) in suppressing the progression of colon cancer in T2D mice, and uncovered the related molecular mechanisms in DNA 5mC and RNA m6A levels. METHODS We examined the effects of LF (50% iron saturation) on the migration and invasion of colon tumor cells under high concentration of glucose. Then, transcriptomics and DNA methylation profilings of colon tumor cells was co-analyzed to screen out the special gene (NT5DC3), and the expression level of NT5DC3 in 75 clinical blood samples was detected by q-PCR and western blot, to investigate whether NT5DC3 was a biomarker to distinguish T2D patients and T2D-induced colon cancer patients from healthy volunteers. Futhermore, in T2D mouse with xenografted colon tumor models, the inhibitory effects of LF and NT5DC3 protein on colon tumors were investigated. In addition, epigenetic alterations were measured to examine the 5mC/m6A modification sites of NT5DC3 regulated by LF. Utilizing siRNA fragments of eight m6A-related genes, the special gene (WTAP) regulating m6A of NT5DC was proved, and the effect of LF on WTAP/NT5DC3/HKDC1 axis was finally evaluated. RESULTS A special gene NT5DC3 was screened out through co-analysis of transcriptomics and DNA methylation profiling, and HKDC1 might be a downstream sensor of NT5DC3. Mechanistically, LF-dependent cellular DNA 5mC and RNA m6A profiling remodeling transcriptionally regulate NT5DC3 expression. WTAP plays a key role in regulating NT5DC3 m6A modification and subsequently controls NT5DC3 downstream target HKDC1 expression. Moreover, co-treatment of lactoferrin and NT5DC3 protein restrains the growth of colon tumors by altering the aberrant epigenetic markers. Strikingly, clinical blood samples analysis demonstrates NT5DC3 protein expression is required to direct the distinction of T2D or T2D-induced colon cancer with healthy humans. CONCLUSIONS Together, this study reveals that lactoferrin acts as a major factor to repress the progression of colon cancer under hyperglycemia, thus, significantly expanding the landscape of natural dietary mediated tumor suppression.
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Affiliation(s)
- Huiying Li
- College of Biological Sciences and Technology, Beijing Key Laboratory of Food Processing and Safety in Forestry, Beijing Forestry University, Beijing, 100083, People's Republic of China.
| | - Chaonan Li
- College of Biological Sciences and Technology, Beijing Key Laboratory of Food Processing and Safety in Forestry, Beijing Forestry University, Beijing, 100083, People's Republic of China
| | - Boyang Zhang
- Department of Nutrition and Health, China Agricultural University, Beijing, 100083, People's Republic of China
| | - Hongpeng Jiang
- Department of General Surgery, Beijing Key Laboratory of Cancer Invasion and Metastasis Research and National Clinical Research Center for Digestive Diseases, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, People's Republic of China.
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15
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Akhtar N, Wani AK, Jan M, Sinha S, Devkota HP, Li Z, Amin-ul Mannan M, Prakash A. Lactoferrin and Activated Protein C: Potential Role in Prevention of Cancer Progression and Recurrence. INTERNATIONAL JOURNAL OF MOLECULAR AND CELLULAR MEDICINE 2023; 12:86-99. [PMID: 37942258 PMCID: PMC10629726 DOI: 10.22088/ijmcm.bums.12.1.86] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/10/2023] [Accepted: 10/17/2023] [Indexed: 11/10/2023]
Abstract
Existing therapeutic interventions for controlling cancer are limited and associated with side effects. Furthermore, the recurrence of cancer poses a significant challenge to the cure of cancer. Therefore, avenues are wanted to find novel therapies for cancer treatment and cancer recurrence. In this review, we have highlighted that lactoferrin (LF) and activated protein C (APC) carry enormous potential in cancer treatment. Studies have shown that the decreased level of APC and impaired function of APC are associated with cancer progression and cancer-related mortality. Moreover, APC plays an important role in preventing prothrombotic state-mediated cancer progression and deaths. LF can also inhibit the progression of cancer by controlling the generation of reactive oxygen species, triggering the apoptosis of cancer cells, arresting the cell cycle and hindering the angiogenesis process. Additionally, APC and LF could have the potential to inhibit neutrophil extracellular traps (NETs) formations which are involved in cancer progression and the reawakening of dormant cancer cells. Hence, in this review, the anticancer potential and mechanism of APC and LF along with their potential to mitigate inflammation and NETs-mediated cancer progression and recurrence has been discussed. Additionally, possible future strategies to develop effective and safe anticancer treatment using LF and APC have also been discussed in this review.
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Affiliation(s)
- Nahid Akhtar
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab-144411, India.
| | - Atif Khurshid Wani
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab-144411, India.
| | - Musamey Jan
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab-144411, India.
| | - Shruti Sinha
- Department of Medicine, University of North Carolina, Chapel Hill, North Carolina 27599, United States of America.
| | - Hari Prasad Devkota
- Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 862-0973, Japan.
- Headquarters for Admissions and Education, Kumamoto University, Kurokami, 2-39-1, Chuo-ku, Ku-mamoto 860-8555, Japan.
- Pharmacy Program, Gandaki University, Pokhara 33700, Nepal.
| | - Zijian Li
- Department of Biochemistry and Biophysics, University of North Carolina, Chapel Hill, North Carolina 27599, United States of America.
| | - Mohammad Amin-ul Mannan
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab-144411, India.
- Division of Infectious Disease, The Lundquist Institute, UCLA Harbor Medical Center, Los Angeles, California 90502, USA.
| | - Ajit Prakash
- Department of Biochemistry and Biophysics, University of North Carolina, Chapel Hill, North Carolina 27599, United States of America.
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16
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Milk Polysialic Acid Levels Rapidly Decrease in Line with the N-Acetylneuraminic Acid Concentrations during Early Lactation in Dairy Cows. BIOLOGY 2022; 12:biology12010005. [PMID: 36671698 PMCID: PMC9854834 DOI: 10.3390/biology12010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/12/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022]
Abstract
Sialylated milk oligosaccharides and glycoconjugates have several positive effects on the mucosal barrier, the gut microbiome, and an effective immune system. For this reason, they are important biomolecules for mammary gland health and optimal development of offspring. In milk, the major sialic acid, N-acetylneuraminic acid (Neu5Ac), can be attached as monosialyl-residues or as polymers. To investigate the sialylation processes during lactation of German Holstein cows, we analyzed udder tissue in addition to milk at different time points of lactation. The analysis of the milk samples revealed that both the levels of Neu5Ac and its polymer, polysialic acid (polySia), rapidly decreased during the first three days of lactation, and a high interindividual variance was observed. In mature milk, however, the sialylation status remains relatively constant. The results indicate that mammary gland epithelial cells are one source for milk polySia, since immunohistochemistry of udder tissue exhibited strong polySia staining in these cells. Furthermore, both polysialyltransferases, ST8SiaII and ST8SiaIV, are expressed. Based on known functions of monosialyl residues and polySia, we discuss the potential impact of these biomolecules and the consequences of the heterogeneous sialylation status of milk in relation to udder health and offspring health.
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17
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Scurt FG, Bose K, Hammoud B, Brandt S, Bernhardt A, Gross C, Mertens PR, Chatzikyrkou C. Old known and possible new biomarkers of ANCA-associated vasculitis. J Autoimmun 2022; 133:102953. [PMID: 36410262 DOI: 10.1016/j.jaut.2022.102953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 11/06/2022] [Accepted: 11/06/2022] [Indexed: 11/19/2022]
Abstract
Antineutrophil cytoplasm antibody (ANCA)-associated vasculitis (AAV) comprises a group of multisystem disorders involving severe, systemic, small-vessel vasculitis with short- and long term serious and life-threating complications. Despite the simplification of treatment, fundamental aspects concerning assessment of its efficacy and its adaptation to encountered complications or to the relapsing/remitting/subclinical disease course remain still unknown. The pathogenesis of AAV is complex and unique, and despite the progress achieved in the last years, much has not to be learnt. Foremost, there is still no accurate marker enabling us to monitoring disease and guide therapy. Therefore, the disease management relays often on clinical judgment and follows a" trial and error approach". In the recent years, an increasing number of new molecules s have been explored and used for this purpose including genomics, B- and T-cell subpopulations, complement system factors, cytokines, metabolomics, biospectroscopy and components of our microbiome. The aim of this review is to discuss both the role of known historical and clinically established biomarkers of AAV, as well as to highlight potential new ones, which could be used for timely diagnosis and monitoring of this devastating disease, with the goal to improve the effectiveness and ameliorate the complications of its demanding therapy.
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Affiliation(s)
- Florian G Scurt
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany.
| | - K Bose
- Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - Ben Hammoud
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - S Brandt
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - A Bernhardt
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - C Gross
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - Peter R Mertens
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
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18
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Sokolov AV, Isakova-Sivak IN, Mezhenskaya DA, Kostevich VA, Gorbunov NP, Elizarova AY, Matyushenko VA, Berson YM, Grudinina NA, Kolmakov NN, Zabrodskaya YA, Komlev AS, Semak IV, Budevich AI, Rudenko LG, Vasilyev VB. Molecular mimicry of the receptor-binding domain of the SARS-CoV-2 spike protein: from the interaction of spike-specific antibodies with transferrin and lactoferrin to the antiviral effects of human recombinant lactoferrin. Biometals 2022; 36:437-462. [PMID: 36334191 PMCID: PMC9638208 DOI: 10.1007/s10534-022-00458-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 10/21/2022] [Indexed: 11/08/2022]
Abstract
The pathogenesis of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection involves dysregulations of iron metabolism, and although the mechanism of this pathology is not yet fully understood, correction of iron metabolism pathways seems a promising pharmacological target. The previously observed effect of inhibiting SARS-CoV-2 infection by ferristatin II, an inducer of transferrin receptor 1 (TfR1) degradation, prompted the study of competition between Spike protein and TfR1 ligands, especially lactoferrin (Lf) and transferrin (Tf). We hypothesized molecular mimicry of Spike protein as cross-reactivity of Spike-specific antibodies with Tf and Lf. Thus, strong positive correlations (R2 > 0.95) were found between the level of Spike-specific IgG antibodies present in serum samples of COVID-19-recovered and Sputnik V-vaccinated individuals and their Tf-binding activity assayed with peroxidase-labeled anti-Tf. In addition, we observed cross-reactivity of Lf-specific murine monoclonal antibody (mAb) towards the SARS-CoV-2 Spike protein. On the other hand, the interaction of mAbs produced to the receptor-binding domain (RBD) of the Spike protein with recombinant RBD protein was disrupted by Tf, Lf, soluble TfR1, anti-TfR1 aptamer, as well as by peptides RGD and GHAIYPRH. Furthermore, direct interaction of RBD protein with Lf, but not Tf, was observed, with affinity of binding estimated by KD to be 23 nM and 16 nM for apo-Lf and holo-Lf, respectively. Treatment of Vero E6 cells with apo-Lf and holo-Lf (1–4 mg/mL) significantly inhibited SARS-CoV-2 replication of both Wuhan and Delta lineages. Protective effects of Lf on different arms of SARS-CoV-2-induced pathogenesis and possible consequences of cross-reactivity of Spike-specific antibodies are discussed.
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Affiliation(s)
- A V Sokolov
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia.
| | - I N Isakova-Sivak
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - D A Mezhenskaya
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - V A Kostevich
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - N P Gorbunov
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - A Yu Elizarova
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - V A Matyushenko
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - Yu M Berson
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - N A Grudinina
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - N N Kolmakov
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - Y A Zabrodskaya
- Smorodintsev Research Institute of Influenza, Russian Ministry of Health, Prof. Popova Str. 15/17, St. Petersburg, 197376, Russia.,Peter the Great Saint Petersburg Polytechnic University, 29 Ulitsa Polytechnicheskaya, 194064, Saint Petersburg, Russia
| | - A S Komlev
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - I V Semak
- Department of Biochemistry, Faculty of Biology, Belarusian State University, Nezavisimisty Ave. 4, 220030, Minsk, Belarus
| | - A I Budevich
- Scientific and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding, 11 Frunze Str., 222160, Zhodino, Belarus
| | - L G Rudenko
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
| | - V B Vasilyev
- Institute of Experimental Medicine, Academica Pavlova Str. 12, St. Petersburg, 197376, Russia
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19
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Stoudenmire JL, Greenawalt AN, Cornelissen CN. Stealthy microbes: How Neisseria gonorrhoeae hijacks bulwarked iron during infection. Front Cell Infect Microbiol 2022; 12:1017348. [PMID: 36189345 PMCID: PMC9519893 DOI: 10.3389/fcimb.2022.1017348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
Transition metals are essential for metalloprotein function among all domains of life. Humans utilize nutritional immunity to limit bacterial infections, employing metalloproteins such as hemoglobin, transferrin, and lactoferrin across a variety of physiological niches to sequester iron from invading bacteria. Consequently, some bacteria have evolved mechanisms to pirate the sequestered metals and thrive in these metal-restricted environments. Neisseria gonorrhoeae, the causative agent of the sexually transmitted infection gonorrhea, causes devastating disease worldwide and is an example of a bacterium capable of circumventing human nutritional immunity. Via production of specific outer-membrane metallotransporters, N. gonorrhoeae is capable of extracting iron directly from human innate immunity metalloproteins. This review focuses on the function and expression of each metalloprotein at gonococcal infection sites, as well as what is known about how the gonococcus accesses bound iron.
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Affiliation(s)
| | | | - Cynthia Nau Cornelissen
- Center for Translational Immunology, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, United States
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20
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Zheng N, Fang J, Xue G, Wang Z, Li X, Zhou M, Jin G, Rahman MM, McFadden G, Lu Y. Induction of tumor cell autosis by myxoma virus-infected CAR-T and TCR-T cells to overcome primary and acquired resistance. Cancer Cell 2022; 40:973-985.e7. [PMID: 36027915 PMCID: PMC9489043 DOI: 10.1016/j.ccell.2022.08.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 05/28/2022] [Accepted: 08/01/2022] [Indexed: 11/02/2022]
Abstract
Cytotoxicity of tumor-specific T cells requires tumor cell-to-T cell contact-dependent induction of classic tumor cell apoptosis and pyroptosis. However, this may not trigger sufficient primary responses of solid tumors to adoptive cell therapy or prevent tumor antigen escape-mediated acquired resistance. Here we test myxoma virus (MYXV)-infected tumor-specific T (TMYXV) cells expressing chimeric antigen receptor (CAR) or T cell receptor (TCR), which systemically deliver MYXV into solid tumors to overcome primary resistance. In addition to T cell-induced apoptosis and pyroptosis, tumor eradication by CAR/TCR-TMYXV cells is also attributed to tumor cell autosis induction, a special type of cell death. Mechanistically, T cell-derived interferon γ (IFNγ)-protein kinase B (AKT) signaling synergizes with MYXV-induced M-T5-SKP-1-VPS34 signaling to trigger robust tumor cell autosis. CAR/TCR-TMYXV-elicited autosis functions as a type of potent bystander killing to restrain antigen escape. We uncover an unexpected synergy between T cells and MYXV to bolster solid tumor cell autosis that reinforces tumor clearance.
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Affiliation(s)
- Ningbo Zheng
- Department of Microbiology & Immunology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - Jing Fang
- Department of Microbiology & Immunology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - Gang Xue
- Department of Microbiology & Immunology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - Ziyu Wang
- Department of Microbiology & Immunology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - Xiaoyin Li
- Department of Mathematics and Statistics, St. Cloud State University, St Cloud, MN 56301, USA
| | - Mengshi Zhou
- Department of Mathematics and Statistics, St. Cloud State University, St Cloud, MN 56301, USA
| | - Guangxu Jin
- Department of Microbiology & Immunology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - Masmudur M Rahman
- Biodesign Center for Immunotherapy Vaccines and Virotherapy, Arizona State University, Tempe, AZ 85287, USA
| | - Grant McFadden
- Biodesign Center for Immunotherapy Vaccines and Virotherapy, Arizona State University, Tempe, AZ 85287, USA.
| | - Yong Lu
- Department of Microbiology & Immunology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
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21
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Krzyzowska M, Janicka M, Tomaszewska E, Ranoszek-Soliwoda K, Celichowski G, Grobelny J, Szymanski P. Lactoferrin-Conjugated Nanoparticles as New Antivirals. Pharmaceutics 2022; 14:pharmaceutics14091862. [PMID: 36145610 PMCID: PMC9504495 DOI: 10.3390/pharmaceutics14091862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/20/2022] [Accepted: 08/31/2022] [Indexed: 11/16/2022] Open
Abstract
Lactoferrin is an iron-binding glycoprotein with multiple functions in the body. Its activity against a broad spectrum of both DNA and RNA viruses as well as the ability to modulate immune responses have made it of interest in the pharmaceutical and food industries. The mechanisms of its antiviral activity include direct binding to the viruses or its receptors or the upregulation of antiviral responses by the immune system. Recently, much effort has been devoted to the use of nanotechnology in the development of new antivirals. In this review, we focus on describing the antiviral mechanisms of lactoferrin and the possible use of nanotechnology to construct safe and effective new antiviral drugs.
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Affiliation(s)
- Malgorzata Krzyzowska
- Military Institute of Hygiene and Epidemiology, Kozielska 4, 01-163 Warsaw, Poland
- Correspondence:
| | - Martyna Janicka
- Military Institute of Hygiene and Epidemiology, Kozielska 4, 01-163 Warsaw, Poland
- Division of Microbiology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Emilia Tomaszewska
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163 St., 90-236 Lodz, Poland
| | - Katarzyna Ranoszek-Soliwoda
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163 St., 90-236 Lodz, Poland
| | - Grzegorz Celichowski
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163 St., 90-236 Lodz, Poland
| | - Jarosław Grobelny
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163 St., 90-236 Lodz, Poland
| | - Pawel Szymanski
- Military Institute of Hygiene and Epidemiology, Kozielska 4, 01-163 Warsaw, Poland
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland
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22
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Li Y, Dong L, Mu Z, Liu L, Yang J, Wu Z, Pan D, Liu L. Research Advances of Lactoferrin in Electrostatic Spinning, Nano Self-Assembly, and Immune and Gut Microbiota Regulation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:10075-10089. [PMID: 35968926 DOI: 10.1021/acs.jafc.2c04241] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Lactoferrin (LF) is a naturally present iron-binding globulin with the structural properties of an N-lobe strongly positively charged terminus and a cage-like structure of nano self-assembly encapsulation. These unique structural properties give it potential for development in the fields of electrostatic spinning, targeted delivery systems, and the gut-brain axis. This review will provide an overview of LF's unique structure, encapsulation, and targeted transport capabilities, as well as its applications in immunity and gut microbiota regulation. First, the microstructure of LF is summarized and compared with its homologous ferritin, revealing both structural and functional similarities and differences between them. Second, the electrostatic interactions of LF and its application in electrostatic spinning are summarized. Its positive charge properties can be applied to functional environmental protection packaging materials and to improving drug stability and antiviral effects, while electrostatic spinning can promote bone regeneration and anti-inflammatory effects. Then the nano self-assembly behavior of LF is exploited as a cage-like protein to encapsulate bioactive substances to construct functional targeted delivery systems for applications such as contrast agents, antibacterial dressings, anti-cancer therapy, and gene delivery. In addition, some covalent and noncovalent interactions of LF in the Maillard reaction and protein interactions and other topics are briefly discussed. Finally, LF may affect immunological function via controlling the gut microbiota. In conclusion, this paper reviews the research advances of LF in electrostatic spinning, nano self-assembly, and immune and gut microbiota regulation, aiming to provide a reference for its application in the food and pharmaceutical fields.
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Affiliation(s)
- Ying Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Lezhen Dong
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Zhishen Mu
- Inner Mongolia Enterprise Technology Center, Inner Mongolia Mengniu Dairy (Group) Co., Ltd., Huhhot 011500, PR China
| | - Lingyi Liu
- Department of Food Science and Technology, University of Nebraska─Lincoln, Lincoln, Nebraska 68588-6205, United States
| | - Junsi Yang
- Department of Food Science and Technology, University of Nebraska─Lincoln, Lincoln, Nebraska 68588-6205, United States
| | - Zufang Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Daodong Pan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Lianliang Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
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23
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Schirmbeck GH, Sizonenko S, Sanches EF. Neuroprotective Role of Lactoferrin during Early Brain Development and Injury through Lifespan. Nutrients 2022; 14:nu14142923. [PMID: 35889882 PMCID: PMC9322498 DOI: 10.3390/nu14142923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/11/2022] [Accepted: 07/15/2022] [Indexed: 12/04/2022] Open
Abstract
Early adverse fetal environments can significantly disturb central nervous system (CNS) development and subsequently alter brain maturation. Nutritional status is a major variable to be considered during development and increasing evidence links neonate and preterm infant impaired brain growth with neurological and psychiatric diseases in adulthood. Breastfeeding is one of the main components required for healthy newborn development due to the many "constitutive" elements breastmilk contains. Maternal intake of specific nutrients during lactation may alter milk composition, thus affecting newborn nutrition and, potentially, brain development. Lactoferrin (Lf) is a major protein present in colostrum and the main protein in human milk, which plays an important role in the benefits of breastfeeding during postnatal development. It has been demonstrated that Lf has antimicrobial, as well as anti-inflammatory properties, and is potentially able to reduce the incidence of sepsis and necrotizing enterocolitis (NEC), which are particularly frequent in premature births. The anti-inflammatory effects of Lf can reduce birth-related pathologies by decreasing the release of pro-inflammatory factors and inhibiting premature cervix maturation (also related to commensal microbiome abnormalities) that could contribute to disrupting brain development. Pre-clinical evidence shows that Lf protects the developing brain from neuronal injury, enhances brain connectivity and neurotrophin production, and decreases inflammation in models of perinatal inflammatory challenge, intrauterine growth restriction (IUGR) and neonatal hypoxia-ischemia (HI). In this context, Lf can provide nutritional support for brain development and cognition and prevent the origin of neuropsychiatric diseases later in life. In this narrative review, we consider the role of certain nutrients during neurodevelopment linking to the latest research on lactoferrin with respect to neonatology. We also discuss new evidence indicating that early neuroprotective pathways modulated by Lf could prevent neurodegeneration through anti-inflammatory and immunomodulatory processes.
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Affiliation(s)
- Gabriel Henrique Schirmbeck
- Biochemistry Post-Graduate Program, Biochemistry Department, Federal University of Rio Grande do Sul, Porto Alegre 90035-003, Brazil;
| | - Stéphane Sizonenko
- Division of Child Development and Growth, Department of Pediatrics, School of Medicine, University of Geneva, 1205 Geneva, Switzerland;
- Correspondence:
| | - Eduardo Farias Sanches
- Division of Child Development and Growth, Department of Pediatrics, School of Medicine, University of Geneva, 1205 Geneva, Switzerland;
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Hadjigol S, Shah BA, O’Brien-Simpson NM. The ‘Danse Macabre’—Neutrophils the Interactive Partner Affecting Oral Cancer Outcomes. Front Immunol 2022; 13:894021. [PMID: 35784290 PMCID: PMC9243430 DOI: 10.3389/fimmu.2022.894021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 05/12/2022] [Indexed: 12/11/2022] Open
Abstract
Over the past few decades, tremendous advances in the prevention, diagnosis, and treatment of cancer have taken place. However for head and neck cancers, including oral cancer, the overall survival rate is below 50% and they remain the seventh most common malignancy worldwide. These cancers are, commonly, aggressive, genetically complex, and difficult to treat and the delay, which often occurs between early recognition of symptoms and diagnosis, and the start of treatment of these cancers, is associated with poor prognosis. Cancer development and progression occurs in concert with alterations in the surrounding stroma, with the immune system being an essential element in this process. Despite neutrophils having major roles in the pathology of many diseases, they were thought to have little impact on cancer development and progression. Recent studies are now challenging this notion and placing neutrophils as central interactive players with other immune and tumor cells in affecting cancer pathology. This review focuses on how neutrophils and their sub-phenotypes, N1, N2, and myeloid-derived suppressor cells, both directly and indirectly affect the anti-tumor and pro-tumor immune responses. Emphasis is placed on what is currently known about the interaction of neutrophils with myeloid innate immune cells (such as dendritic cells and macrophages), innate lymphoid cells, natural killer cells, and fibroblasts to affect the tumor microenvironment and progression of oral cancer. A better understanding of this dialog will allow for improved therapeutics that concurrently target several components of the tumor microenvironment, increasing the possibility of constructive and positive outcomes for oral cancer patients. For this review, PubMed, Web of Science, and Google Scholar were searched for manuscripts using keywords and combinations thereof of “oral cancer, OSCC, neutrophils, TANs, MDSC, immune cells, head and neck cancer, and tumor microenvironment” with a focus on publications from 2018 to 2021.
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Affiliation(s)
- Sara Hadjigol
- *Correspondence: Neil M. O’Brien-Simpson, ; Sara Hadjigol,
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25
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Wells JM, Gao Y, de Groot N, Vonk MM, Ulfman L, van Neerven RJJ. Babies, Bugs, and Barriers: Dietary Modulation of Intestinal Barrier Function in Early Life. Annu Rev Nutr 2022; 42:165-200. [PMID: 35697048 DOI: 10.1146/annurev-nutr-122221-103916] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The intestinal barrier is essential in early life to prevent infection, inflammation, and food allergies. It consists of microbiota, a mucus layer, an epithelial layer, and the immune system. Microbial metabolites, the mucus, antimicrobial peptides, and secretory immunoglobulin A (sIgA) protect the intestinal mucosa against infection. The complex interplay between these functionalities of the intestinal barrier is crucial in early life by supporting homeostasis, development of the intestinal immune system, and long-term gut health. Exclusive breastfeeding is highly recommended during the first 6 months. When breastfeeding is not possible, milk-based infant formulas are the only safe alternative. Breast milk contains many bioactive components that help to establish the intestinal microbiota and influence the development of the intestinal epithelium and the immune system. Importantly, breastfeeding lowers the risk for intestinal and respiratory tract infections. Here we review all aspects of intestinal barrier function and the nutritional components that impact its functionality in early life, such as micronutrients, bioactive milk proteins, milk lipids, and human milk oligosaccharides. These components are present in breast milk and can be added to milk-based infant formulas to support gut health and immunity. Expected final online publication date for the Annual Review of Nutrition, Volume 42 is August 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Jerry M Wells
- Host Microbe Interactomics, Wageningen University and Research, Wageningen, The Netherlands
| | - Yifan Gao
- Cell Biology and Immunology, Wageningen University and Research, Wageningen, The Netherlands
| | | | | | | | - R J Joost van Neerven
- Cell Biology and Immunology, Wageningen University and Research, Wageningen, The Netherlands.,FrieslandCampina, Amersfoort, The Netherlands;
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26
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Mulet M, Osuna-Gómez R, Zamora C, Porcel JM, Nieto JC, Perea L, Pajares V, Muñoz-Fernandez AM, Calvo N, Sorolla MA, Vidal S. Influence of Malignant Pleural Fluid from Lung Adenocarcinoma Patients on Neutrophil Response. Cancers (Basel) 2022; 14:cancers14102529. [PMID: 35626131 PMCID: PMC9139419 DOI: 10.3390/cancers14102529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/12/2022] [Accepted: 05/18/2022] [Indexed: 01/27/2023] Open
Abstract
Simple Summary This study provides novel information about the role of neutrophils in malignant pleural effusion (MPE) and hallmarks their clinical relevance. Since these cells have emerged as important regulators of cancer, we characterized their phenotype and functions in MPE microenvironment. We found that neutrophil-derived products (degranulation molecules and neutrophil extracellular traps (NETs)) were increased in MPE. In addition, NETs were associated with a worse outcome in lung adenocarcinoma patients with MPE. Abstract Malignant pleural effusion (MPE) is a common severe complication of advanced lung adenocarcinoma (LAC). Neutrophils, an essential component of tumor infiltrates, contribute to tumor progression and their counts in MPE have been associated with worse outcome in LAC. This study aimed to evaluate phenotypical and functional changes of neutrophils induced by MPE to determine the influence of MPE immunomodulatory factors in neutrophil response and to find a possible association between neutrophil functions and clinical outcomes. Pleural fluid samples were collected from 47 LAC and 25 heart failure (HF) patients. We measured neutrophil degranulation products by ELISA, oxidative burst capacity and apoptosis by flow cytometry, and NETosis by fluorescence. The concentration of degranulation products was higher in MPE-LAC than in PE-HF. Functionally, neutrophils cultured with MPE-LAC had enhanced survival and neutrophil extracellular trap (NET) formation but had reduced oxidative burst capacity. In MPE, NETosis was positively associated with MMP-9, P-selectin, and sPD-L1 and clinically related to a worse outcome. This is the first study associating NETs with a worse outcome in MPE. Neutrophils likely contribute to tumor progression through the release of NETs, suggesting that they are a potential therapeutic target in LAC.
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Affiliation(s)
- Maria Mulet
- Inflammatory Diseases, Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain; (M.M.); (R.O.-G.); (C.Z.); (J.C.N.); (L.P.)
| | - Rubén Osuna-Gómez
- Inflammatory Diseases, Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain; (M.M.); (R.O.-G.); (C.Z.); (J.C.N.); (L.P.)
| | - Carlos Zamora
- Inflammatory Diseases, Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain; (M.M.); (R.O.-G.); (C.Z.); (J.C.N.); (L.P.)
| | - José M. Porcel
- Pleural Medicine Unit, Department of Internal Medicine, Hospital Universitari Arnau de Vilanova, IRBLleida, University of Lleida, 25003 Lleida, Spain;
| | - Juan C. Nieto
- Inflammatory Diseases, Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain; (M.M.); (R.O.-G.); (C.Z.); (J.C.N.); (L.P.)
| | - Lídia Perea
- Inflammatory Diseases, Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain; (M.M.); (R.O.-G.); (C.Z.); (J.C.N.); (L.P.)
| | - Virginia Pajares
- Department of Pneumology, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; (V.P.); (A.M.M.-F.)
| | - Ana M. Muñoz-Fernandez
- Department of Pneumology, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; (V.P.); (A.M.M.-F.)
| | - Nuria Calvo
- Department of Oncology, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
| | | | - Silvia Vidal
- Inflammatory Diseases, Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain; (M.M.); (R.O.-G.); (C.Z.); (J.C.N.); (L.P.)
- Correspondence:
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Abstract
Zn2+ ions are essential in many physiological processes, including enzyme catalysis, protein structural stabilization, and the regulation of many proteins. The affinities of proteins for Zn2+ ions span several orders of magnitude, with catalytic Zn2+ ions generally held more tightly than structural or regulatory ones. Metal carrier proteins, most of which are not specific for Zn2+, bind these ions with a broad range of affinities that overlap those of catalytic, structural, and regulatory Zn2+ ions and are thought to be responsible for distributing the metal through most cells, tissues, and fluid compartments. While little is known about how many proteins obtain or release these ions, there is now considerable experimental evidence suggesting that metal carrier proteins may be responsible for transferring metals to and from some Zn2+-dependent proteins, thus serving as a major regulatory factor for them. In this review, the biological roles of Zn2+ and structures of Zn2+ binding sites are examined, and experimental evidence demonstrating the direct participation of metal carrier proteins in enzyme regulation is discussed. Mechanisms of metal ion transfer are also offered, and the potential physiological significance of this phenomenon is explored.
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28
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Role of macrophage extracellular traps in innate immunity and inflammatory disease. Biochem Soc Trans 2022; 50:21-32. [PMID: 35191493 DOI: 10.1042/bst20210962] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/28/2022] [Accepted: 01/31/2022] [Indexed: 12/12/2022]
Abstract
Macrophages play an integral role in initiating innate immune defences and regulating inflammation. They are also involved in maintaining homeostasis and the resolution of inflammation, by promoting tissue repair and wound healing. There is evidence that like neutrophils, macrophages can release extracellular traps following exposure to a range of pathogenic and pro-inflammatory stimuli. Extracellular traps are released by a specialised cell death pathway termed 'ETosis', and consist of a backbone of DNA and histones decorated with a range of other proteins. The composition of extracellular trap proteins can be influenced by both the cell type and the local environment in which the traps are released. In many cases, these proteins have an antimicrobial role and assist with pathogen killing. Therefore, the release of extracellular traps serves as a means to both immobilise and destroy invading pathogens. In addition to their protective role, extracellular traps are also implicated in disease pathology. The release of neutrophil extracellular traps (NETs) is causally linked to the development of wide range of human diseases. However, whether macrophage extracellular traps (METs) play a similar role in disease pathology is less well established. Moreover, macrophages are also involved in the clearance of extracellular traps, which could assist in the resolution of tissue damage associated with the presence of extracellular traps. In this review, we will provide an overview of the pathways responsible for macrophage extracellular trap release, and discuss the role of these structures in innate immunity and disease pathology and possible therapeutic strategies.
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29
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Chen N, He D, Cui J. A Neutrophil Extracellular Traps Signature Predicts the Clinical Outcomes and Immunotherapy Response in Head and Neck Squamous Cell Carcinoma. Front Mol Biosci 2022; 9:833771. [PMID: 35252353 PMCID: PMC8894649 DOI: 10.3389/fmolb.2022.833771] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 02/04/2022] [Indexed: 12/13/2022] Open
Abstract
Background: Neutrophil extracellular traps (NETs) play an important role in the occurrence, metastasis and immune escape of cancers. This study aimed to investigate NET-related genes, their clinical prognostic value and their correlation with immunotherapy and anticancer drugs in patients with head and neck squamous cell carcinoma (HNSCC). Methods: Differentially expressed NET-related genes in HNSCC were identified based on multiple public databases. To improve the clinical practicability and avoid overfitting, univariable, least absolute shrinkage and selection operator (LASSO) and multivariable Cox algorithms were used to construct a prognostic risk model. A nomogram was further used to explore the clinical value of the model. Internal and external validation were conducted to test the model. Furthermore, the immune microenvironment, immunophenoscore (IPS) and sensitivity to anticancer drugs in HNSCC patients with different prognostic risks were explored. Results: Six NET-related genes were screened to construct the risk model. In the training cohort, Kaplan–Meier (K-M) analysis showed that the overall survival (OS) of low-risk HNSCC patients was significantly better than that of high-risk HNSCC patients (p < 0.001). The nomogram also showed a promising prognostic value with a better C-index (0.726 vs 0.640) and area under the curve (AUC) (0.743 vs 0.706 at 3 years, 0.743 vs 0.645 at 5 years) than those in previous studies. Calibration plots and decision curve analysis (DCA) also showed the satisfactory predictive capacity of the nomogram. Internal and external validation further strengthened the credibility of the clinical prognostic model. The level of tumor mutational burden (TMB) in the high-risk group was significantly higher than that in the low-risk group (p = 0.017), and the TMB was positively correlated with the risk score (R = 0.11; p = 0.019). Moreover, the difference in immune infiltration was significant in HNSCC patients with different risks (p < 0.05). Furthermore, the IPS analysis indicated that anti-PD-1 (p < 0.001), anti-CTLA4 (p < 0.001) or combining immunotherapies (p < 0.001) were more beneficial for low-risk HNSCC patients. The response to anticancer drugs was also closely correlated with the expression of NET-related genes (p < 0.001). Conclusion: This study identified a novel prognostic model that might be beneficial to develop personalized treatment for HNSCC patients.
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Affiliation(s)
- Naifei Chen
- Cancer Center, The First Hospital of Jilin University, Changchun, China
| | - Dongsheng He
- Department of Medical Oncology, The First Hospital of Putian, Teaching Hospital, Fujian Medical University, Putian, China
| | - Jiuwei Cui
- Cancer Center, The First Hospital of Jilin University, Changchun, China
- *Correspondence: Jiuwei Cui,
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30
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Schwäbe FV, Happonen L, Ekestubbe S, Neumann A. Host Defense Peptides LL-37 and Lactoferrin Trigger ET Release from Blood-Derived Circulating Monocytes. Biomedicines 2022; 10:biomedicines10020469. [PMID: 35203676 PMCID: PMC8962388 DOI: 10.3390/biomedicines10020469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/03/2022] [Accepted: 02/14/2022] [Indexed: 01/08/2023] Open
Abstract
Neutrophils are commonly regarded as the first line of immune response during infection or in tissue injury-induced inflammation. The rapid influx of these cells results in the release of host defense proteins (HDPs) or formation of neutrophil extracellular traps (NETs). As a second wave during inflammation or infection, circulating monocytes arrive at the site. Earlier studies showed that HDPs LL-37 and Lactoferrin (LTF) activate monocytes while neutrophil elastase facilitates the formation of extracellular traps (ETs) in monocytes. However, the knowledge about the impact of HDPs on monocytes remains sparse. In the present study, we investigated the effect of LL-37 and LTF on blood-derived CD14+ monocytes. Both HDPs triggered a significant release of TNFα, nucleosomes, and monocyte ETs. Microscopic analysis indicated that ET formation by LL-37 depends on storage-operated calcium entry (SOCE), mitogen-activated protein kinase (MAPK), and ERK1/2, whereas the LTF-mediated ET release is not affected by any of the here used inhibitors. Quantitative proteomics mass spectrometry analysis of the neutrophil granular content (NGC) revealed a high abundance of Lactoferrin. The stimulation of CD14+ monocytes with NGC resulted in a significant secretion of TNFα and nucleosomes, and the formation of monocyte ETs. The findings of this study provide new insight into the complex interaction of HDPs, neutrophils, and monocytes during inflammation.
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31
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Oneto P, Landro ME, Daffunchio C, Douglas Price AL, Carrera Silva EA, Caviglia H, Etulain J. DNA extracellular traps as potential biomarker of chronic haemophilic synovitis and therapeutic perspective in patients treated with PRP: A pilot study. Haemophilia 2022; 28:351-361. [DOI: 10.1111/hae.14508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/18/2022] [Accepted: 01/28/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Paula Oneto
- Laboratory of Experimental Thrombosis Institute of Experimental Medicine‐CONICET National Academy of Medicine CABA Argentina
| | | | - Carla Daffunchio
- Hospital General de Agudos Dr. Juan A. Fernández CABA Argentina
- Argentinian Foundation of Haemophilia CABA Argentina
| | | | - Eugenio Antonio Carrera Silva
- Laboratory of Experimental Thrombosis Institute of Experimental Medicine‐CONICET National Academy of Medicine CABA Argentina
| | - Horacio Caviglia
- Hospital General de Agudos Dr. Juan A. Fernández CABA Argentina
- Argentinian Foundation of Haemophilia CABA Argentina
| | - Julia Etulain
- Laboratory of Experimental Thrombosis Institute of Experimental Medicine‐CONICET National Academy of Medicine CABA Argentina
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Grigorieva DV, Gorudko IV, Grudinina NA, Panasenko OM, Semak IV, Sokolov AV, Timoshenko AV. Lactoferrin modified by hypohalous acids: Partial loss in activation of human neutrophils. Int J Biol Macromol 2022; 195:30-40. [PMID: 34863835 DOI: 10.1016/j.ijbiomac.2021.11.165] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 10/15/2021] [Accepted: 11/22/2021] [Indexed: 12/13/2022]
Abstract
Previously we have shown that lactoferrin (LTF), a protein of secondary neutrophilic granules, can be efficiently modified by hypohalous acids (HOCl and HOBr), which are produced at high concentrations during inflammation and oxidative/halogenative stress by myeloperoxidase, an enzyme of azurophilic neutrophilic granules. Here we compared the effects of recombinant human lactoferrin (rhLTF) and its halogenated derivatives (rhLTF-Cl and rhLTF-Br) on functional responses of neutrophils. Our results demonstrated that after halogenative modification, rhLTF lost its ability to induce mobilization of intracellular calcium, actin cytoskeleton reorganization, and morphological changes in human neutrophils. Moreover, both forms of the halogenated rhLTF prevented binding of N-acetylglucosamine-specific plant lectin Triticum vulgaris agglutinin (WGA) to neutrophils and, in contrast to native rhLTF, inhibited respiratory burst of neutrophils induced by N-formyl-L-methionyl-L-leucyl-L-phenylalanine and by two plant lectins (WGA and PHA-L). However, we observed no differences between the effects of rhLTF, rhLTF-Cl, and rhLTF-Br on respiratory burst of neutrophils induced by phorbol 12-myristate 13-acetate (PMA), digitonin, and number of plant lectins with different glycan-binding specificity. Furthermore, all rhLTF forms interfered with PMA- and ionomycin-induced formation of neutrophil extracellular traps. Thus, halogenative modification of LTF is one of the mechanisms involved in modulating a variety of signaling pathways in neutrophils to control their pro-inflammatory activity.
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Affiliation(s)
- Daria V Grigorieva
- Department of Biophysics, Faculty of Physics, Belarusian State University, Minsk 220030, Belarus
| | - Irina V Gorudko
- Department of Biophysics, Faculty of Physics, Belarusian State University, Minsk 220030, Belarus.
| | - Natalia A Grudinina
- Laboratory of Biochemical Genetics, Department of Molecular Genetics, FSBRI "Institute of Experimental Medicine", St. Petersburg 197376, Russia
| | - Oleg M Panasenko
- Department of Biophysics, Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, Moscow 119435, Russia
| | - Igor V Semak
- Department of Biochemistry, Faculty of Biology, Belarusian State University, Minsk 220030, Belarus
| | - Alexey V Sokolov
- Laboratory of Biochemical Genetics, Department of Molecular Genetics, FSBRI "Institute of Experimental Medicine", St. Petersburg 197376, Russia; Department of Biophysics, Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, Moscow 119435, Russia
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33
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Brazil JC, Parkos CA. Finding the sweet spot: glycosylation mediated regulation of intestinal inflammation. Mucosal Immunol 2022; 15:211-222. [PMID: 34782709 PMCID: PMC8591159 DOI: 10.1038/s41385-021-00466-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 10/11/2021] [Accepted: 10/14/2021] [Indexed: 02/04/2023]
Abstract
Glycans are essential cellular components that facilitate a range of critical functions important for tissue development and mucosal homeostasis. Furthermore, specific alterations in glycosylation represent important diagnostic hallmarks of cancer that contribute to tumor cell dissociation, invasion, and metastasis. However, much less is known about how glycosylation contributes to the pathobiology of inflammatory mucosal diseases. Here we will review how epithelial and immune cell glycosylation regulates gut homeostasis and how inflammation-driven changes in glycosylation contribute to intestinal pathobiology.
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Affiliation(s)
- Jennifer C. Brazil
- grid.214458.e0000000086837370Department of Pathology, University of Michigan, Ann Arbor, MI 48109 USA
| | - Charles A. Parkos
- grid.214458.e0000000086837370Department of Pathology, University of Michigan, Ann Arbor, MI 48109 USA
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Tosta E. The seven constitutive respiratory defense barriers against SARS-CoV-2 infection. Rev Soc Bras Med Trop 2021; 54:e04612021. [PMID: 34932765 PMCID: PMC8687496 DOI: 10.1590/0037-8682-0461-2021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 09/17/2021] [Indexed: 12/18/2022] Open
Abstract
Before eliciting an adaptive immune response, SARS-CoV-2 must overcome seven constitutive respiratory defense barriers. The first is the mucus covering the respiratory tract's luminal surface, which entraps inhaled particles, including infectious agents, and eliminates them by mucociliary clearance. The second barrier comprises various components present in the airway lining fluid, the surfactants. Besides providing low surface tension that allows efficient gas exchange at the alveoli, surfactants inhibit the invasion of epithelial cells by respiratory viruses, enhance pathogen uptake by phagocytes, and regulate immune cells' functions. The respiratory tract microbiota constitutes the third defense barrier against SARS-CoV-2. It activates the innate and adaptive immune cells and elicits anti-infectious molecules such as secretory IgA antibodies, defensins, and interferons. The fourth defense barrier comprises the antimicrobial peptides defensins, and lactoferrin. They show direct antiviral activity, inhibit viral fusion, and modulate the innate and adaptive immune responses. Secretory IgA antibodies, the fifth defense barrier, besides protecting the local microbiota against noxious agents, also inhibit SARS-CoV-2 cell invasion. If the virus overcomes this barrier, it reaches its target, the respiratory epithelial cells. However, these cells also act as a defense barrier, the sixth one, since they hinder the virus' access to receptors and produce antiviral and immunomodulatory molecules such as interferons, lactoferrin, and defensins. Finally, the sensing of the virus by the cells of innate immunity, the last constitutive defense barrier, elicits a cascade of signals that activate adaptive immune cells and may inhibit the development of productive infection. The subject of the present essay is discussing these mechanisms.
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Affiliation(s)
- Eduardo Tosta
- Professor Emeritus, Faculdade de Medicina, Universidade de Brasília, Brasília, DF , Brasil
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Burster T, Mustafa Z, Myrzakhmetova D, Zhanapiya A, Zimecki M. Hindrance of the Proteolytic Activity of Neutrophil-Derived Serine Proteases by Serine Protease Inhibitors as a Management of Cardiovascular Diseases and Chronic Inflammation. Front Chem 2021; 9:784003. [PMID: 34869231 PMCID: PMC8634265 DOI: 10.3389/fchem.2021.784003] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 10/20/2021] [Indexed: 12/23/2022] Open
Abstract
During inflammation neutrophils become activated and segregate neutrophil serine proteases (NSPs) to the surrounding environment in order to support a natural immune defense. However, an excess of proteolytic activity of NSPs can cause many complications, such as cardiovascular diseases and chronic inflammatory disorders, which will be elucidated on a biochemical and immunological level. The application of selective serine protease inhibitors is the logical consequence in the management of the indicated comorbidities and will be summarized in this briefing.
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Affiliation(s)
- Timo Burster
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Zhadyra Mustafa
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Dinara Myrzakhmetova
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Anuar Zhanapiya
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Michal Zimecki
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
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Olszewska P, Pazdrak B, Kruzel ML. A Novel Human Recombinant Lactoferrin Inhibits Lung Adenocarcinoma Cell Growth and Migration with No Cytotoxic Effect on Normal Human Epithelial Cells. Arch Immunol Ther Exp (Warsz) 2021; 69:33. [PMID: 34748082 PMCID: PMC8575758 DOI: 10.1007/s00005-021-00637-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/29/2021] [Indexed: 12/19/2022]
Abstract
Lung cancer remains the leading cause of cancer death worldwide. Despite the recent advances in cancer treatment, only a subset of patients responds to targeted and immune therapies, and many patients developing resistance after an initial response. Lactoferrin (Lf) is a natural glycoprotein with immunomodulatory and anticancer activities. We produced a novel recombinant human Lf (rhLf) that exhibits glycosylation profile compatible with the natural hLf for potential parenteral therapeutic applications. The aim of this study was to evaluate the anticancer effects of this novel rhLf in human lung adenocarcinoma cells and its mechanisms of action. The results showed a concentration-dependent inhibition of A549 cancer cell growth in response to rhLf. Treatment with 1 mg/ml of rhLf for 24 h and 72 h resulted in a significant inhibition of cancer cell growth by 32% and 25%, respectively. Moreover, rhLf increased fourfold the percentage of early and late apoptotic cells compared to the control. This effect was accompanied by increased levels of caspase-3 activity and cell cycle arrest at the S phase in rhLf-treated cancer cells. Furthermore, rhLf significantly attenuated A549 cell migration. Importantly, treatment of normal human bronchial epithelial (NHBE) cells with rhLf showed the cell viability and morphology comparable to the control. In contrast, chemotherapeutic etoposide induced cytotoxicity in NHBE cells and reduced the cell viability by 40%. These results demonstrate the selective anticancer effects of rhLf against lung adenocarcinoma cells without cytotoxicity on normal human cells. This study highlights a potential for clinical utility of this novel rhLf in patients with lung cancer.
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Affiliation(s)
- Paulina Olszewska
- Department of Pharmaceutical Chemistry, Drug Analysis and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland.
| | - Barbara Pazdrak
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Kuźmicka W, Manda-Handzlik A, Mroczek A, Cieloch A, Moskalik A, Demkow U, Wachowska M, Ciepiela O. Iron excess affects release of neutrophil extracellular traps and reactive oxygen species but does not influence other functions of neutrophils. Immunol Cell Biol 2021; 100:87-100. [PMID: 34714958 DOI: 10.1111/imcb.12509] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/25/2021] [Accepted: 10/26/2021] [Indexed: 12/19/2022]
Abstract
Neutrophils apply several antimicrobial strategies including degranulation, phagocytosis, the generation of reactive oxygen species (ROS) and the release of neutrophil extracellular traps (NETs) to fight pathogens. Iron is considered to be an invaluable constituent of host immune defense and plays a dual role in immunity. It is a well-known component of antimicrobial proteins and is a necessary microelement for pathogen survival. The aim of this study was to broaden the knowledge regarding the impact of iron on the function of neutrophils. Neutrophils from healthy blood donors and patients with mild iron-deficiency anemia and HL-60 cells differentiated toward granulocyte-like cells were incubated with Fe2+ , Fe3+ or holo-transferrin (holo-Tf). Moreover, we isolated murine neutrophils of HFE gene knockout (KO) mice and mice fed iron-deficient, iron-equivalent and high-iron diets. We analyzed the release of NETs, phagocytosis, degranulation of azurophilic granules, ROS release, bactericidal activity of granulocytes against Escherichia coli and neutrophil elastase (NE) activity. We show that holo-Tf inhibits the release of NETs stimulated by phorbol 12-myristate 13-acetate by inhibiting NE activity. Studies performed in mice models reveal that iron overload inhibits the release of NETs and ROS production in neutrophils isolated from HFE KO mice and mice fed a high-iron diet. No impact of a low-iron diet on neutrophil phagocytosis, ROS production or release of NETs was observed. Our study underscores the physiological significance of iron in neutrophil function, specifically in the release of NETs.
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Affiliation(s)
- Weronika Kuźmicka
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland.,Department of Laboratory Diagnostics and Clinical Immunology of Developmental Age, Medical University of Warsaw, Warsaw, Poland
| | - Aneta Manda-Handzlik
- Department of Laboratory Diagnostics and Clinical Immunology of Developmental Age, Medical University of Warsaw, Warsaw, Poland
| | - Agnieszka Mroczek
- Department of Laboratory Diagnostics and Clinical Immunology of Developmental Age, Medical University of Warsaw, Warsaw, Poland
| | - Adrianna Cieloch
- Department of Laboratory Diagnostics and Clinical Immunology of Developmental Age, Medical University of Warsaw, Warsaw, Poland.,Doctoral School, Medical University of Warsaw, Warsaw, Poland
| | - Aneta Moskalik
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland
| | - Urszula Demkow
- Department of Laboratory Diagnostics and Clinical Immunology of Developmental Age, Medical University of Warsaw, Warsaw, Poland
| | - Małgorzata Wachowska
- Department of Laboratory Diagnostics and Clinical Immunology of Developmental Age, Medical University of Warsaw, Warsaw, Poland
| | - Olga Ciepiela
- Department of Laboratory Medicine, Medical University of Warsaw, Warsaw, Poland
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Level and avidity of antineutrophil cytoplasmic antibodies specific to lactoferrin are useful biomarkers in systemic lupus erythematosus. Clin Rheumatol 2021; 41:709-720. [PMID: 34618258 DOI: 10.1007/s10067-021-05926-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 08/27/2021] [Accepted: 09/16/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVES To evaluate specificity, level, and avidity of antineutrophil cytoplasmic antibodies (ANCA) in systemic lupus erythematosus (SLE). There are no studies of ANCA avidity in SLE. METHODS Level (ELISA) and avidity (ELISA) of myeloperoxidase (MPO-), proteinase 3 (PR3-), lactoferrin (LF-), cathepsin G, elastase (EL-), and bactericidal/permeability increasing protein (BPI)-ANCA in 142 SLE patients were studied. SLE activity was measured by SLEDAI-2 K. 25/40 ANCA-positive patients were immunoserologically followed (12 ± 2 months). RESULTS 40/142 (28.2%) SLE patients were ANCA-positive: LF- (21/40), MPO- (19/40), EL- (6/40), PR3- (3/40), and BPI-ANCA (1/40). Only LF-ANCA were associated with renal manifestations (p < 0.05), and positive predictive value for renal involvement in ANCA-positive SLE was 76.2%. LF-ANCA-positive patients had higher SLEDAI-2 K (p < 0.05) and more frequently had anti-dsDNA (p < 0.05), low C3 (p < 0.001), and low C4 (p < 0.05) than LF-ANCA-negative patients. LF-ANCA level was in a positive correlation with SLEDAI-2 K, anti-dsDNA, and anti-C1q (p < 0.01) and in a negative correlation with C3 and C4 (p < 0.05). LF-ANCA avidity was higher than MPO-, EL-, PR3-, and BPI-ANCA avidity (p < 0.01). In LF-ANCA-positive patients, renal manifestations were associated with higher LF-ANCA level (p < 0.01) and avidity (p < 0.05). Based on LF-ANCA level and avidity, the receiver operating characteristic curves for discriminating patients with and without renal involvement had areas under the curves of 0.988 (95% CI: 0.949-1.00) and 0.813 (95% CI: 0.607-1.00), respectively. After the follow-up period, number of LF-ANCA-positive patients decreased (p < 0.01). CONCLUSIONS In contrast to other ANCAs, only LF-ANCA level correlated with activity and standard serological SLE markers. LF-ANCA level and avidity might be biomarkers of renal involvement in SLE. LF-ANCA are promising serological marker in SLE. Key Points • LF- and MPO-ANCA were most frequently found, while EL-, PR3-, and BPI-ANCA were rarely detected in SLE. • In contrast to other ANCAs, only LF-ANCA were associated with renal involvement, and their level correlated with the activity and standard serological markers of SLE. • LF-ANCA avidity was higher than other ANCAs' avidity; LF-ANCA level and avidity might be useful biomarkers of renal manifestations in SLE. • Detection of ANCA specificity, level, and avidity may help in the diagnosis of particular clinical SLE phenotypes.
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Simka M. Is digital necrosis in COVID-19 caused by neutrophil extracellular traps: Potential therapeutic strategies. Med Hypotheses 2021; 156:110684. [PMID: 34583310 PMCID: PMC8452345 DOI: 10.1016/j.mehy.2021.110684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 08/14/2021] [Accepted: 08/31/2021] [Indexed: 11/25/2022]
Abstract
Some of the COVID-19 patients present with ischemic lesions of their finger and toes. Standard anticoagulant therapy is usually unsuccessful for the treatment of this unique presentation of COVID-19. In this review current evidence is presented, which supports the hypothesis that these necrotic lesions are primarily related to the formation of neutrophil extracellular traps is blood vessels. Also, currently available and potential pharmacological methods of the management of this unique thrombotic complication are discussed. Drugs that possibly could be used in COVID-19 patients suffering from acute ischemia of distal parts of the extremities particularly comprise DNase I and DNase1L3, which could directly dissolve these extracellular webs that are mostly composed of DNA. However, at the moment, none of these enzymes are registered for an intravascular administration in humans. Lactoferrin and dipyridamole are other pharmaceutical agents that could potentially be used for the treatment of neutrophil extracellular traps-evoked digital ischemia. These agents exhibit prophylactic activity against excessive formation of these extracellular structures. Such an experimental treatment should probably be accompanied by standard antithrombotic management with heparin. Open-label and then randomized trials are needed to confirm feasibility, safety and efficacy of the above-suggested management of critically ill COVID-19 patients.
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Affiliation(s)
- Marian Simka
- Institute of Medical Sciences, University of Opole, ul. Oleska 48, 45-052 Opole, Poland.
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40
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Cristinziano L, Modestino L, Antonelli A, Marone G, Simon HU, Varricchi G, Galdiero MR. Neutrophil extracellular traps in cancer. Semin Cancer Biol 2021; 79:91-104. [PMID: 34280576 DOI: 10.1016/j.semcancer.2021.07.011] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 06/16/2021] [Accepted: 07/15/2021] [Indexed: 12/12/2022]
Abstract
Beyond their well-known functions in the acute phases of the immune response, neutrophils play important roles in the various phases of tumor initiation and progression, through the release of their stored or newly synthesized mediators. In addition to reactive oxygen species, cytokines, chemokines, granule proteins and lipid mediators, neutrophil extracellular traps (NETs) can also be released upon neutrophil activation. NET formation can be achieved through a cell-death process or in association with the release of mitochondrial DNA from viable neutrophils. NETs are described as extracellular fibers of DNA and decorating proteins responsible for trapping and killing extracellular pathogens, playing a protective role in the antimicrobial defense. There is increasing evidence, however, that NETs play multiple roles in the scenario of cancer-related inflammation. For instance, NETs directly or indirectly promote tumor growth and progression, fostering tumor spread at distant sites and shielding cancer cells thus preventing the effects of cytotoxic lymphocytes. NETs can also promote tumor angiogenesis and cancer-associated thrombosis. On the other hand, there is some evidence that NETs may play anti-inflammatory and anti-tumorigenic roles. In this review, we focus on the main mechanisms underlying the emerging effects of NETs in cancer initiation and progression.
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Affiliation(s)
- Leonardo Cristinziano
- Department of Translational Medical Sciences and Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy; WAO Center of Excellence, Naples, Italy
| | - Luca Modestino
- Department of Translational Medical Sciences and Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy; WAO Center of Excellence, Naples, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Gianni Marone
- Department of Translational Medical Sciences and Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy; WAO Center of Excellence, Naples, Italy; Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy
| | - Hans-Uwe Simon
- Institute of Pharmacology, University of Bern, Bern, Switzerland; Department of Clinical Immunology and Allergology, Sechenov University, Moscow, Russia; Laboratory of Molecular Immunology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia; Institute of Biochemistry, Medical School Brandenburg, Neuruppin, Germany
| | - Gilda Varricchi
- Department of Translational Medical Sciences and Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy; WAO Center of Excellence, Naples, Italy; Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy.
| | - Maria Rosaria Galdiero
- Department of Translational Medical Sciences and Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy; WAO Center of Excellence, Naples, Italy; Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy.
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41
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Mindler K, Ostertag E, Stehle T. The polyfunctional polysialic acid: A structural view. Carbohydr Res 2021; 507:108376. [PMID: 34273862 DOI: 10.1016/j.carres.2021.108376] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/09/2021] [Accepted: 06/09/2021] [Indexed: 12/15/2022]
Abstract
Polysialic acid (polySia), a homopolymer of α2,8-linked sialic acid residues, modifies a small number of proteins and has central functions in vertebrate signalling. Here, we review the regulatory functions of polySia in signalling processes and the immune system of adult humans, as well as functions based on their chemical properties. The main focus will be on the structure-function relationship of polySia with its interaction partners in humans. Recent studies have indicated that the degree of polymerisation is an important parameter that can guide the regulatory effect of polySia in addition to its binding to target proteins. Therefore, the structures of polySia in solution and bound to interaction partners are compared in order to identify the key factors that define binding specificity.
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Affiliation(s)
- Katja Mindler
- Interfaculty Institute of Biochemistry, University of Tübingen, 72076, Tübingen, Germany
| | - Elena Ostertag
- Interfaculty Institute of Biochemistry, University of Tübingen, 72076, Tübingen, Germany
| | - Thilo Stehle
- Interfaculty Institute of Biochemistry, University of Tübingen, 72076, Tübingen, Germany.
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42
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Endothelial Dysfunction and Neutrophil Degranulation as Central Events in Sepsis Physiopathology. Int J Mol Sci 2021; 22:ijms22126272. [PMID: 34200950 PMCID: PMC8230689 DOI: 10.3390/ijms22126272] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/02/2021] [Accepted: 06/08/2021] [Indexed: 12/29/2022] Open
Abstract
Sepsis is a major health problem worldwide. It is a time-dependent disease, with a high rate of morbidity and mortality. In this sense, an early diagnosis is essential to reduce these rates. The progressive increase of both the incidence and prevalence of sepsis has translated into a significant socioeconomic burden for health systems. Currently, it is the leading cause of noncoronary mortality worldwide and represents one of the most prevalent pathologies both in hospital emergency services and in intensive care units. In this article, we review the role of both endothelial dysfunction and neutrophil dysregulation in the physiopathology of this disease. The lack of a key symptom in sepsis makes it difficult to obtain a quick and accurate diagnosis of this condition. Thus, it is essential to have fast and reliable diagnostic tools. In this sense, the use of biomarkers can be a very important alternative when it comes to achieving these goals. Both new biomarkers and treatments related to endothelial dysfunction and neutrophil dysregulation deserve to be further investigated in order to open new venues for the diagnosis, treatment and prognosis of sepsis.
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Yao Q, Li H, Fan L, Huang S, Wang J, Zheng N. The combination of lactoferrin and linolenic acid inhibits colorectal tumor growth through activating AMPK/JNK-related apoptosis pathway. PeerJ 2021; 9:e11072. [PMID: 34131514 PMCID: PMC8174148 DOI: 10.7717/peerj.11072] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 02/16/2021] [Indexed: 12/30/2022] Open
Abstract
Colorectal cancer is a common cause of death with few available therapeutic strategies, and the preventative complexes in adjunctive therapy are urgently needed. Increasing evidences have shown that natural ingredients, including lactoferrin, oleic acid, docosahexaenoic acid (DHA) and linolenic acid, possess anti-inflammatory and anti-tumor activities. However, investigations and comparisons of their combinations in colorectal tumor model have not been reported, and the mechanism is still unrevealed. In the study, we examined the viability, migration, invasion and apoptosis of HT29 cells to choose the proper doses of these components and to select the effective combination in vitro. BALB/c nude mice bearing colorectal tumor were used to explore the role of selected combination in inhibiting tumor development in vivo. Additionally, metabonomic detection was performed to screen out the specific changed metabolitesand related pathway. The results demonstrated that lactoferrin at 6.25 μM, oleic acid at 0.18 mM, DHA at 0.18 mM, and linolenic acid at 0.15 mM significantly inhibited the viabilities of HT29 cells (p < 0.05). The combination of lactoferrin (6.25 μM) + linolenic acid (0.15 mM) exhibited the strongest activity in inhibiting the migration and invasion of HT29 cells in vivo and suppressing tumor development in vitro (p < 0.05). Furthermore, the lactoferrin + linolenic acid combination activated p-AMPK and p-JNK, thereby inducing apoptosis of HT29 cells (p < 0.05). The present study was the first to show that lactoferrin + linolenic acid combination inhibited HT29 tumor formation by activating AMPK/JNK related pathway.
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Affiliation(s)
- Qianqian Yao
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Huiying Li
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Linlin Fan
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shengnan Huang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jiaqi Wang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Nan Zheng
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
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Morales-Primo AU, Becker I, Zamora-Chimal J. Neutrophil extracellular trap-associated molecules: a review on their immunophysiological and inflammatory roles. Int Rev Immunol 2021; 41:253-274. [PMID: 34036897 DOI: 10.1080/08830185.2021.1921174] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Neutrophil extracellular traps (NETs) are a defense mechanism against pathogens. They are composed of DNA and various proteins and have the ability to hinder microbial spreading and survival. However, NETs are not only related to infections but also participate in sterile inflammatory events. In addition to DNA, NETs contain histones, serine proteases, cytoskeletal proteins and antimicrobial peptides, all of which have immunomodulatory properties that can augment or decrease the inflammatory response. Extracellular localization of these molecules alerts the immune system of cellular damage, which is triggered by recognition of damage-associated molecular patterns (DAMPs) through specific pattern recognition receptors. However, not all of these molecules are DAMPs and may have other immunophysiological properties in the extracellular space. The release of NETs can lead to production of pro-inflammatory cytokines (due to TLR2/4/9 and inflammasome activation), the destruction of the extracellular matrix, activation of serine proteases and of matrix metallopeptidases (MMPs), modulation of cellular proliferation, induction of cellular migration and adhesion, promotion of thrombogenesis and angiogenesis and disruption of epithelial and endothelial permeability. Understanding the dynamics of NET-associated molecules, either individually or synergically, will help to unravel their role in inflammatory events and open novel perspectives for potential therapeutic targets. We here review molecules contained within NETS and their immunophysiological roles.
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Affiliation(s)
- Abraham U Morales-Primo
- Laboratory of Immunoparasitology, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Hospital General de México, Mexico City, Mexico
| | - Ingeborg Becker
- Laboratory of Immunoparasitology, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Hospital General de México, Mexico City, Mexico
| | - Jaime Zamora-Chimal
- Laboratory of Immunoparasitology, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Hospital General de México, Mexico City, Mexico
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45
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Significance of Mast Cell Formed Extracellular Traps in Microbial Defense. Clin Rev Allergy Immunol 2021; 62:160-179. [PMID: 34024033 PMCID: PMC8140557 DOI: 10.1007/s12016-021-08861-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2021] [Indexed: 02/07/2023]
Abstract
Mast cells (MCs) are critically involved in microbial defense by releasing antimicrobial peptides (such as cathelicidin LL-37 and defensins) and phagocytosis of microbes. In past years, it has become evident that in addition MCs may eliminate invading pathogens by ejection of web-like structures of DNA strands embedded with proteins known together as extracellular traps (ETs). Upon stimulation of resting MCs with various microorganisms, their products (including superantigens and toxins), or synthetic chemicals, MCs become activated and enter into a multistage process that includes disintegration of the nuclear membrane, release of chromatin into the cytoplasm, adhesion of cytoplasmic granules on the emerging DNA web, and ejection of the complex into the extracellular space. This so-called ETosis is often associated with cell death of the producing MC, and the type of stimulus potentially determines the ratio of surviving vs. killed MCs. Comparison of different microorganisms with specific elimination characteristics such as S pyogenes (eliminated by MCs only through extracellular mechanisms), S aureus (removed by phagocytosis), fungi, and parasites has revealed important aspects of MC extracellular trap (MCET) biology. Molecular studies identified that the formation of MCET depends on NADPH oxidase-generated reactive oxygen species (ROS). In this review, we summarize the present state-of-the-art on the biological relevance of MCETosis, and its underlying molecular and cellular mechanisms. We also provide an overview over the techniques used to study the structure and function of MCETs, including electron microscopy and fluorescence microscopy using specific monoclonal antibodies (mAbs) to detect MCET-associated proteins such as tryptase and histones, and cell-impermeant DNA dyes for labeling of extracellular DNA. Comparing the type and biofunction of further MCET decorating proteins with ETs produced by other immune cells may help provide a better insight into MCET biology in the pathogenesis of autoimmune and inflammatory disorders as well as microbial defense.
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46
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Zhang Y, Chandra V, Riquelme Sanchez E, Dutta P, Quesada PR, Rakoski A, Zoltan M, Arora N, Baydogan S, Horne W, Burks J, Xu H, Hussain P, Wang H, Gupta S, Maitra A, Bailey JM, Moghaddam SJ, Banerjee S, Sahin I, Bhattacharya P, McAllister F. Interleukin-17-induced neutrophil extracellular traps mediate resistance to checkpoint blockade in pancreatic cancer. J Exp Med 2021; 217:152058. [PMID: 32860704 PMCID: PMC7953739 DOI: 10.1084/jem.20190354] [Citation(s) in RCA: 209] [Impact Index Per Article: 69.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 04/25/2020] [Accepted: 07/06/2020] [Indexed: 12/18/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) remains a lethal malignancy with an immunosuppressive microenvironment that is resistant to most therapies. IL17 is involved in pancreatic tumorigenesis, but its role in invasive PDAC is undetermined. We hypothesized that IL17 triggers and sustains PDAC immunosuppression. We inhibited IL17/IL17RA signaling using pharmacological and genetic strategies alongside mass cytometry and multiplex immunofluorescence techniques. We uncovered that IL17 recruits neutrophils, triggers neutrophil extracellular traps (NETs), and excludes cytotoxic CD8 T cells from tumors. Additionally, IL17 blockade increases immune checkpoint blockade (PD-1, CTLA4) sensitivity. Inhibition of neutrophils or Padi4-dependent NETosis phenocopies IL17 neutralization. NMR spectroscopy revealed changes in tumor lactate as a potential early biomarker for IL17/PD-1 combination efficacy. Higher expression of IL17 and PADI4 in human PDAC corresponds with poorer prognosis, and the serum of patients with PDAC has higher potential for NETosis. Clinical studies with IL17 and checkpoint blockade represent a novel combinatorial therapy with potential efficacy for this lethal disease.
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Affiliation(s)
- Yu Zhang
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Vidhi Chandra
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Erick Riquelme Sanchez
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX.,Center for Integrative Biology, Faculty of Science, Universidad Mayor, Santiago, Chile
| | - Prasanta Dutta
- Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Pompeyo R Quesada
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Amanda Rakoski
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Michelle Zoltan
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX
| | | | - Seyda Baydogan
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - William Horne
- Richard King Mellon Foundation Institute for Pediatric Research, Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - Jared Burks
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Hanwen Xu
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Perwez Hussain
- Laboratory of Human Carcinogenesis, National Cancer Institute, Bethesda, MD
| | - Huamin Wang
- Department of Anatomical Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX.,Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Sonal Gupta
- Department of Anatomical Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Anirban Maitra
- Department of Anatomical Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX.,Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX.,Sheikh Ahmed Center for Pancreatic Cancer Research, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Jennifer M Bailey
- Department of Gastroenterology, University of Texas Health Sciences Center, Houston, TX
| | - Seyed J Moghaddam
- Pulmonary Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Sulagna Banerjee
- Department of Surgery, Sylvester Comprehensive Cancer Center, University of Miami Health System, Miami, FL
| | - Ismet Sahin
- Department of Engineering, Texas Southern University, Houston, TX
| | - Pratip Bhattacharya
- Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Florencia McAllister
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX.,Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
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47
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Sienkiewicz M, Jaśkiewicz A, Tarasiuk A, Fichna J. Lactoferrin: an overview of its main functions, immunomodulatory and antimicrobial role, and clinical significance. Crit Rev Food Sci Nutr 2021; 62:6016-6033. [PMID: 33685299 DOI: 10.1080/10408398.2021.1895063] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Lactoferrin (LF), a glycoprotein found in mucosal secretions, is characterized by a wide range of functions, including immunomodulatory and anti-inflammatory activities. Moreover, several investigations confirmed that LF displays high effectiveness against multiple bacteria and viruses and may be regarded as a potential inhibitor of enveloped viruses, such as presently prevailing SARS-CoV-2. In our review, we discuss available studies about LF functions and bioavailability of different LF forms in in vitro and in vivo models. Moreover, we characterize the potential benefits and side effects of LF use; we also briefly summarize the latest clinical trials examining LF application. Finally, we point potential role of LF in inflammatory bowel disease and indicate its use as a marker for disease severity.
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Affiliation(s)
- Michał Sienkiewicz
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Andrzej Jaśkiewicz
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Lodz, Poland
| | - Aleksandra Tarasiuk
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Jakub Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
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48
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Banerjee S, Mohammed A, Wong HR, Palaniyar N, Kamaleswaran R. Machine Learning Identifies Complicated Sepsis Course and Subsequent Mortality Based on 20 Genes in Peripheral Blood Immune Cells at 24 H Post-ICU Admission. Front Immunol 2021; 12:592303. [PMID: 33692779 PMCID: PMC7937924 DOI: 10.3389/fimmu.2021.592303] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 01/28/2021] [Indexed: 01/08/2023] Open
Abstract
A complicated clinical course for critically ill patients admitted to the intensive care unit (ICU) usually includes multiorgan dysfunction and subsequent death. Owing to the heterogeneity, complexity, and unpredictability of the disease progression, ICU patient care is challenging. Identifying the predictors of complicated courses and subsequent mortality at the early stages of the disease and recognizing the trajectory of the disease from the vast array of longitudinal quantitative clinical data is difficult. Therefore, we attempted to perform a meta-analysis of previously published gene expression datasets to identify novel early biomarkers and train the artificial intelligence systems to recognize the disease trajectories and subsequent clinical outcomes. Using the gene expression profile of peripheral blood cells obtained within 24 h of pediatric ICU (PICU) admission and numerous clinical data from 228 septic patients from pediatric ICU, we identified 20 differentially expressed genes predictive of complicated course outcomes and developed a new machine learning model. After 5-fold cross-validation with 10 iterations, the overall mean area under the curve reached 0.82. Using a subset of the same set of genes, we further achieved an overall area under the curve of 0.72, 0.96, 0.83, and 0.82, respectively, on four independent external validation sets. This model was highly effective in identifying the clinical trajectories of the patients and mortality. Artificial intelligence systems identified eight out of twenty novel genetic markers (SDC4, CLEC5A, TCN1, MS4A3, HCAR3, OLAH, PLCB1, and NLRP1) that help predict sepsis severity or mortality. While these genes have been previously associated with sepsis mortality, in this work, we show that these genes are also implicated in complex disease courses, even among survivors. The discovery of eight novel genetic biomarkers related to the overactive innate immune system, including neutrophil function, and a new predictive machine learning method provides options to effectively recognize sepsis trajectories, modify real-time treatment options, improve prognosis, and patient survival.
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Affiliation(s)
- Shayantan Banerjee
- Department of Pediatrics, University of Tennessee Health Science Center, Memphis, TN, United States
- Department of Biotechnology, Indian Institute of Technology Madras, Chennai, India
| | - Akram Mohammed
- Department of Pediatrics, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Hector R. Wong
- Division of Critical Care Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States
| | - Nades Palaniyar
- Translational Medicine, Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON, Canada
| | - Rishikesan Kamaleswaran
- Department of Biomedical Informatics, Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA, United States
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, United States
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49
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Li Y, Zhang R, Li X, Li J, Ji W, Zeng X, Bao J. Exposure to the environmental pollutant ammonia causes changes in gut microbiota and inflammatory markers in fattening pigs. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111564. [PMID: 33396094 DOI: 10.1016/j.ecoenv.2020.111564] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/18/2020] [Accepted: 10/23/2020] [Indexed: 05/24/2023]
Abstract
Ammonia (NH3) is a major pollutant in livestock houses and atmospheric environment. It has been demonstrated that NH3 can cause a series of damage to animals and human. However, toxicity evaluation of NH3 on farm animals was rarely reported, especially in the intestinal microflora. Therefore, in this study, twenty-four 125-day-old fattening pigs were randomly divided into 4 groups: control group, NH3 group (88.2 mg m-3 < NH3 concentration < 90.4 mg m-3), Se group (Se content: 0.5 mg kg-1), and NH3 + Se group (88.2 mg m-3 < NH3 concentration < 90.4 mg m-3, Se content: 0.5 mg kg-1), and the effects of NH3 and L-Selenomethionine on the microbiota composition in the jejunum and the levels of inflammatory markers in feces of fattening pigs were examined by 16S rDNA and ELISA, respectively. Our results showed that the content of Matrix metalloproteinase-9 (MMP-9), Myeloperoxidase (MPO), Lactoferrin (LTF) and Calprotectin in the ammonia group (A group) were significantly elevated compared to the control group, and the content of MMP-9, MPO, LTF and Calprotectin in the A + Se group were significantly reduced. A significant difference in microbiota composition in the phylum, class, family and genus levels was found in the A group and the NH3 + Se group. There was a negative correlation between Streptococcus and Calprotectin. Our results indicated that excessive NH3 inhalation could cause changes in inflammatory markers and beta diversity of intestinal microflora in fattening pigs. We found there was a positive correlation between MPO and Pseudomonas. In addition, we first proposed that L-Selenomethionine could improve the imbalance of microbial flora and the inflammatory injury caused by NH3. Changes in intestinal microflora and inflammatory markers can be used as important indicators to evaluate NH3 toxicity, and studying changes in intestinal microflora is also an important mechanism to reveal NH3 toxicity.
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Affiliation(s)
- Yutao Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Runxiang Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Xiang Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Jianhong Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Wenbo Ji
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Xiangyin Zeng
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Jun Bao
- College of Life Science, Northeast Agricultural University, Harbin 150030, People's Republic of China; College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China.
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50
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Liu S, Huang Z, Deng X, Zou X, Li H, Mu S, Cao B. Identification of key candidate biomarkers for severe influenza infection by integrated bioinformatical analysis and initial clinical validation. J Cell Mol Med 2021; 25:1725-1738. [PMID: 33448094 PMCID: PMC7875920 DOI: 10.1111/jcmm.16275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 12/14/2020] [Accepted: 12/29/2020] [Indexed: 12/13/2022] Open
Abstract
One of the key barriers for early identification and intervention of severe influenza cases is a lack of reliable immunologic indicators. In this study, we utilized differentially expressed genes screening incorporating weighted gene co‐expression network analysis in one eligible influenza GEO data set (GSE111368) to identify hub genes associated with clinical severity. A total of 10 genes (PBI, MMP8, TCN1, RETN, OLFM4, ELANE, LTF, LCN2, DEFA4 and HP) were identified. Gene set enrichment analysis (GSEA) for single hub gene revealed that these genes had a close association with antimicrobial response and neutrophils activity. To further evaluate these genes' ability for diagnosis/prognosis of disease developments, we adopted double validation with (a) another new independent data set (GSE101702); and (b) plasma samples collected from hospitalized influenza patients. We found that 10 hub genes presented highly correlation with disease severity. In particular, BPI and MMP8 encoding proteins in plasma achieved higher expression in severe and dead cases, which indicated an adverse disease development and suggested a frustrating prognosis. These findings provide new insight into severe influenza pathogenesis and identify two significant candidate genes that were superior to the conventional clinical indicators. These candidate genes or encoding proteins could be biomarker for clinical diagnosis and therapeutic targets for severe influenza infection.
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Affiliation(s)
- Shuai Liu
- China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Clinical Center for Pulmonary Infections, Capital Medical University, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Zhisheng Huang
- Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Xiaoyan Deng
- Tsinghua University-Peking University Joint Center for Life Sciences, Tsinghua University, Beijing, China
| | - Xiaohui Zou
- China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Clinical Center for Pulmonary Infections, Capital Medical University, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Hui Li
- China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Clinical Center for Pulmonary Infections, Capital Medical University, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Shengrui Mu
- China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Clinical Center for Pulmonary Infections, Capital Medical University, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Bin Cao
- China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Clinical Center for Pulmonary Infections, Capital Medical University, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.,Tsinghua University-Peking University Joint Center for Life Sciences, Tsinghua University, Beijing, China
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